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HomeMy WebLinkAboutFile Documents.635 W Bleeker St.0104-2023-BROF (7) \ ,A4o, ., ...„,_,,, oyo ew \\,,,,,o0f C ,,,t. M A N U A L 2020 Edition -4 s • �'� _��-- is f "` .fr y_ je�, " 2. !?1m11m om _-`- _ 1�,n,�, mi n1�i _ - _1Rm ' . "` t 111 I II = � St. = Tom` - ___ I III _ e 7 '_ - + \ ! ~_ ,tom--, -"'•. _ =�i 111 mu In 4.... MI �R ■I h ® III II ZS -.x ■ I 1 ii1 III 1m ii I 11 _ — _ •y II i " ' •Itrairy ; _ to - _ -7 x �` �'- Cedar Shake& ,' p,,t Shingle Bureau ',,� ��. / �� . REVIEWED FOR `„. COMPLIANCE T ; kl X ` 10/24/2023 s tuarthv ‘1; - � 4jai � � vanimmENIN i.� BY HPC, i r, '�p s }! rfw A 1,.... 4 � €t +ay,. ? it, ,. Cover House Photos: Top:Courtesy:Robert A.Cardello Architects.Photo Courtesy:Dennis Carbo Photography Bottom left:Courtesy of BCI Bottom right:Photo Courtesy:Tony Bonura RECEIVED 10/06/2023 ASPEN BUILDING DEPARTMENT INTRODUCTION New Roof Construction Manual Each bundle of product has the mill's This manual is intended for use with Western distinctive Certi label®tucked under the CONTENTS Red Cedar and Alaskan Yellow Cedar shake bundle strap.Asking for"the Blue Label®"or "number one blue label"is not specific Certi-label®Products pages 1-2 and shingle application only. Western Red P $ Cedar and Yellow Cedar products enough:CSSB members'products are the only manufactured by Cedar Shake&Shingle ones with the Certi brand name on the label. General Design & Bureau®("CSSB')members are labeled with Application Details pages 3-5 the"Certi"brand name. The species is Mansard Roof Details page 6 indicated by either"Yellow'or"Red"Cedar at Note: the top of the label.For ease of reference this •ONLY experienced professionals who Low Slope Roof Details page 7 manual refers to'Certi-label® Western Cedar" follow proper safety and workmanship and the term is understood to include both practices should implement the Hip&Ridge Details page 8 Western Red Cedar and Alaskan Yellow Cedar information contained herein. products manufactured byCSSB members. Roof Juncture Details pages 9-10 Different climates have different code Material for this manual has been compiled requirements.Ensure the right products Roof Valley from various authoritative sources,and many and installation methods are used per Flashing Details page 11 of the construction methods shown herein the building code official in your area. have been developed by the shake and shingle The information herein is not intended Roof Projection specialists in both the United States and to supersede local building codes. Flashing Details page 12 Canada.The design and application details •Confirm labels required for warranty Roof Fastener and methods of construction reflect current registration BEFORE purchasing product. Guidelines pages 13-14 good building practice.Other options are Ensure warranty registration details are possible but ensure that you check with your listed on purchase order. Ventilation Details pages 15-16 local building code official for approval. •Refer to www.cedarbureau.org for project inspiration and photo portfolio. Specialty Roof Deck Details pages 17-18 Note:This manual replaces all previous Certi-Zabel® Products versions of the"Cedar Shake and Shingle Cold Roof System Cedar shakes and shingles manufactured by Bureau New Roof Construction Manual". Details pages 18-19 Cedar Shake&Shingle Bureau® ("CSSB") High Humidity members are the only products labeled with Area Details pages 20-21 the"Certi"brand name.Certi-label®cedar shakes and shingles are made by experienced Care&Maintenance craftsmen who take pride in their trade and Overview pages 22-23 the quality of their product.Despite their varying sizes and sometimes remote Coverage& locations,member mills are bound together Exposure Tables page 24 by a rigid quality code.Unannounced independent inspections conducted by Specification Guidelines pages 25 26 accredited third party agencies ensure that product quality is maintained.Products are How to Read a page 27 Certi-label® inspected to conform with various local, national and international codes and CSSB History pages 28 standards(contact the CSSB for specific details). This manual presents best practices developed over more than a century of Cedar Shake and Shingle Bureau® ("CSSB")history.Please contact CSSB technical staff with Certi-label®product or installation questions.The cort��E���� of this manual are not intended to supersede local jurisdiction requirements or building code.ALWAYS check wi your local code jurisdiction for approval of any installation modifications,including accessory building materials. Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 1 CERTI-LABEL® PRODUCTS CERTI-LABEL® CEDAR SHAKES Certi-Split® Handsplit PREMIUM GRADE These shakes have split faces and sawn backs.Cedar logs are first cut into CERTI-SPLIT desired lengths.Blanks or boards of proper thickness are split and then run 009:Ed.R.I. diagonally through a bandsaw to produce two tapered shakes from each Handsplit Red Cedar Shakes CE..armisrY�LEoD'U REAe blank.Available in Premium Grade(100%edge grain)or Number 1 Grade (Up to 20%flat grain allowed in each bundle). Certi-Sawn®Tapersawn These shakes are sawn both sides.Premium and Number 1 Grades are the CER SAWNT most common.Premium Grade is 100%edge grain, 100%clear and 100% PREMI RADE g rallersawa edar Shakes heartwood.Number 1 Grade allows up to 20%flat grain in each bundle. CEDAR SNAKE NGLE BUREAU uR� ®,>w Number 2 and 3 Grades are also available. Certi-Split®Tapersplit Produced by hand,using a sharp bladed steel froe and a mallet.The natural CERMSPLIT shingle-like taper is achieved by reversing the block,end-for-end,with each PREGEABeD PietN:KE `aEra "` split.Premium Grade only.(100%edge grain). Certi-Split®Straight-Split 411me14pr NeLl. Produced by machine or in the same manner as tapersplit shakes except CERSPLIT that by splitting from the same end of the block,the shakes acquire the RCEeD�ARp°N:IQ ris 'YSREYIAR same thickness throughout.Premium Grade only.(1000/0 edge grain). CERTIGRADE® CEDAR SHINGLES Number 1 Blue Label® CERTIGRADE The premium grade of shingles for roofs and sidewalls.These top-grade Red Ce hingles shingles are 100%heartwood, 100%clear and 100%edge grain.Available _ _ -1aax EdgeU DU%Allawr- 16" 18" 24" CEDAR NGLEEN BUREAU in or or lengths. Number 2 Red Label CERTIGRADE44/iiir A good grade for many applications.Not less than 10"clear on 16"shingles, RE'D LABEL clear on 18"shingles and 16"clear on 24"shingles.Flat grain and Red Cedar Shingles limited sapwood are permitted in this grade. CEDAR SNAKE II.SHINGLE BUREAU Number 3 Black Label • A utility grade for economy applications and secondary buildings.Not less CEdR RARE than 6"clear on 16"and 18"shingles, 10"clear on 24"shingles. ra CEDAR BUREAU..ram ASP,ea Number 4 Undercoursing CERTIGRADE A utility grade for undercoursing of double coursed sidewalls only.Not a Red Cedar Shingles roofing material and not to be used as a starter course fogf� iv � R DOOM eCour for Sidowaoursiny of E Double-Coursed SHINGLE lls only CEDAR SHAKE S HINGL BUREAU Check with building code official for local jurisdiction requirements 10/0 6/2 023 ASPEN BUILDING DEPARTMENT CERTI-LABEL® PRODUCTS 2 CERTI-GUARD® Pressure-Impregnated Treated Products PRESSURE-TREATED FIRE-RETARDANT SHAKES&SHINGLES Certi-label®products can also be treated.Products are available either CEDAR SHAKE&SHINGLE BUREAU fire-retardant-treated OR preservative-treated.Special care must be taken to follow the treatment company's recommended installation instructions. CERTIP -GU PRESSURE-TREATED SHINGLES Premium Fire-Retardant um and NNumber1 Grades Certi-Split®dsha es!Certi-Sawn®stalks,and Number 1 CEDAR SHAKE&SHINGLE BUREAU Grades of Certigrade®shingles are available pressure-impregnated with fire retardants. Certi-Guard®products may be used for Class A,B and C roof systems.Contact the treatment company for treatment warranty information,accessory product requirements(including recommended fastener types)and application details for treated cedar material.Local code jurisdictions have additional information regarding applications in specific areas. Certi-Last® Preservative-Treated Cedar Shakes and Shingles Premium and Number 1 Grades of Certi-Split®shakes,Certi-Sawn®shakes,and Number 1 CERTI-LAST`' Grades of Certigrade®shingles are available preservative-treated by pressure-impregnation PRESERVATIVE TREATED CEDAR SHAKES&SHINGLES CEDAR SHAKE&SHINGLE BUREAU process.This product is ideal in areas of high humidity.Specify the Certi-Last®treating label for this extra protection.Contact the treatment company for treatment warranty information, .4111111 accessory product requirements(including recommended fastener types)and application details for treated cedar material. Note: •Once Western Cedar shakes and shingles are pressure-impregnated treated you must contact the treatment company to determine if a finish,such as paint or stain or cleaning solution/agent,is allowable. •Confirm product labels required for warranty registration BEFORE purchasing product. Ensure warranty registration details are listed on purchase order. TIPS Note: •Different climates have different code requirements.Ensure the •Once Western Cedar shingles and shakes are pressure- right products and installation methods are used per the building impregnated treated you must contact the treatment company to code official in your area. determine if a finish,such as paint or stain or cleaning •Type of fastener used is critically important.DO NOT use solution/agent,is allowable. electrogalvanized fasteners.Ring shank nails are used for better •Confirm product labels required for warranty registration withdrawal resistance and in designated high wind zone areas. BEFORE purchasing product.Ensure warranty registration details Read this manual for further details. are listed on purchase order. •Recommended felt types are No.30 ASTM D226 Type II or •Be sure that felt interlay paper on shakes does not extend below No.30 ASTM D4869 Type IV roofing felt.It is important that felts a line that is twice the exposure above the butt(i.e.a 24"shake are asphalt-saturated-certain code approvals can be misleading at 10",exposure would have felt applied 20"above the butt). regarding felt content,so check with your supplier. •Never interlay shingles with felt. •Always use a permeable underlayment.There is no performance •Keyways must not be aligned and must be a minimum 1 1/2" data available for cedar shake and shingle products over offset from the course above. synthetic underlayment(over 80 different synthetic •DO NOT drive nail heads or staple crowns below wood surface. underlayments exist).If you elect to use a synthetic underlayment,and have local building code official approval,be •Overdriving or underdriving the fasteners can seriously damage sure that it is permeable and resistant to clogging from fine the integrity of your roofing system. particles,dust and resins. RErEIVED Check with building code official for local jurisdiction requirements 10/0 6 2 023 ASPEN BUILDING DEPARTMENT 3 GENERAL DESIGN AND APPLICATION DETAILS Sheathing Certi-label®shakes Felt interlay Shakes and shingles may be applied over Product should project 1 1/2" Spaced sheathing spaced sheathing.Spaced sheathing is usually beyond the fascia and �♦ approximately 1" \ �` ` 1 x 4 or 1 x 6 softwood boards and shall not over the gable - �� Ab be less than 1 x 4 boards. or rake end ♦`�� ♦ Solid sheathing is recommended for shakes e= and may be required in seismic regions or e 1 ."_` Rafter fascia beneath treated shakes and shingles.Solid - sheathing is used in areas with wind-driven Gutter ♦ r Solid sheathing at eave � � snow.Please note that the only solid sheet Fascia ;� = Rafter sheathingtested with Certi-label®shakes Rafter header Eave protection (extend to rake edge) and shingles is plywood.Check with your local building official for plywood Figure 1: Spaced Sheathing thickness/dimensions.Eave protection is For applications using varied exposures,the center of the sheathing used on the edge where 36"felt underlay is board should be equal to the distance of the exposure. used and should extend up 24"beyond the exterior wall but it is not meant to cover the Felt interlay entire roof. Certi-label®shakes Recommended felt types are No.30 ASTM Product should project 1 1/2" 4 t / Solid sheathing beyond the fascia and S D226 Type II or No.30 ASTM D4869 Type IV approximately 1" • f over the gable °` roofing felt.It is important that felts are asphalt-saturated-certain code approvals can or rake end 0 be misleading regarding felt content,so check *-, Rafter fascia with your supplier. Note:in areas of high Gutter humidity, nailing strips or a continuous ventilation Staggered Butt Applications FasciaNI'N. Rafter product may be used,or Sta ered butt a lications are made Rafter header : t Eave protection Certi-Last®treated shakes Staggered applications by (extend to rake edge) may be applied directly to shortening the exposure less than the greater the deck. maximum exposure.No shakes or shingles Figure 2: Solid Sheathing shall be applied greater than the maximum exposure allowed.Check with local building 2 x 4 spacers codes for approval of this installation method. 1x4or1x6 Certi-label®shingles nailing strips I Note:Do not cover the entire deck with Product should project 1 1/2" �����`� Solid sheathing beyond the fascia and ��� � j non-permeable barrier(including non- approximately 1" �� `�� � permeable underlayment).See CSSB over the gable ' technical bulletin'Asphalt-Saturated or rake end 1 11WN NN, 1?fr'�1 Organic Felt". ` •- ,,,,ge The CSSB recommends installing over # " Imo. I woodpanel or dimensional lumber Gutter ii Imo. Imo. plywood �1��I= sheathing.If other sheathing materials are Fascia Solid sheathing at eave approved for use by your local building �6.a ��. Rafter header �� Eave protection code official,the holding power of the (extend to rake edge) fasteners should also be considered Rafter carefully.Contact local building code Figure 3: Spaced Over Solid Combination Sheathing official for substrate(plywood)attachment This is the preferred system for shake and shingle application,in areas with high humidit or where fastener detail. additional ventilation is required.When using Certi-Last®products,they may be eEIVEEthe deck.Note:Figure 3 shows shingle application,shakes require felt i t 1 Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT GENERAL DESIGN AND APPLICATION DETAILS 4 Certi-label® Shakes A solid deck is recommended in seismic The bottom edge of the felt should be positioned activity,hurricane and tornado regions and in above the butt of the shake at a distance equal to areas where wind-driven snow is Two nails(only)for each shake twice the weather exposure.Never interlay shingles encountered.Roofing felt system interlay approximately 3/4 from edge with felt. between the shake courses is required and approximately 1 1/2" above exposure line. whether the sheathing is spaced or solid.The ' felt interlay acts as a baffle that prevents Space shakes 3/8" wind-driven snow or other foreign material to 5/8"apart / from entering the attic cavity during extreme Exposure • weather conditions.The felt interlays also l increase the roof's insulation value.The felt interlay system forces water to the surface. �� Rafter fascia Product should If spaced sheathing is used in shake project 1 1/2" Plywood sheathing application,the sheathing is usually 1 x 6 beyond the fascia boards spaced on centers equal to the and approximately 1" over the gable or rake end weather exposure,at which the shakes are to t � Eave protection(extendo rake edge) Adjacent course joints �� Starter course t be laid but never more than 7 /2"for 18" should be offset shakes and 10"for 24"shakes on roof 1 1/2"minimum Rafter installations.When 1 x 4 spaced sheathing is Gutter Rafter header installed at 10"on center,additional 1 x 4 Fascia boards must be installed(i.e.maximum Figure 4: Certi-label® Shake Application allowable spacing is approximately 3 1/2" measured from edge to edge between the sheathing boards).Please note that the only Certi-label® Shake Application solid sheet sheathing tested with Certi-label®shakes&shingles is plywood. Shakes,like shingles,are normally applied edge of the felt should be positioned Check with your local building official for in straight,single courses.The following above the butt of the shake at a distance plywood thickness/dimensions. application details(Figure 4)must be equal to twice the weather exposure.For Special care should be taken when installing observed. example,24"shakes,felt extends up 14" the felt interlays over spaced sheathing to 1.The starter course may be one or two onto the sheathing forcing water to the ensure that an effective baffle is formed layers of cedar shingles or shakes overlaid surface. (Figure 1).The felt should be applied over the with the desired shake.A 15"shake is 4.Spacing between adjacent shakes top portion of the shakes and extend on to made expressly for starter and finish should be a minimum of 3/8"and a the spaced sheathing so that the bottom edge courses. maximum of 5/8". of the felt is positioned at a distance above 2.Butts of first course shakes should 5.Shakes shall be laid with a side lap of the butt equal to twice the weather exposure. project 1 1/2"beyond the fascia and not less than 1 1/2"between joints in approximately 1"over the gable or adjacent courses. rake end. 6.Straight-split shakes should be laid with 3.The CSSB recommends using an 18" the froe-end(the end from which the wide strip of No.30 ASTM D226 Type II or shake has been split and which is No.30 ASTM D4869 Type IV roofing felt smoother)towards the ridge. Notes: laid over the top portion of shakes and •See pages 20-21 for high humidity extending on to the sheathing.(Check with area details your local building code official for exact •Currently the only acceptable solid specifications in your area).The bottom sheathing product tested for use with Certi-label®shakes is p_" ,,,, —Check with building code official for local jurisdiction requirements 10 0 6/2 023 ASPEN BUILDING DEPARTMENT 5 GENERAL DESIGN AND APPLICATION DETAILS Certi-label® Shingles For 4:12 slope and steeper,use There are two acceptable methods for Number 1 Grade shingles at 5",5 1/2" Two nails(only)for each shingle and 1/26", approximately 3/4"from edge and application of spaced sheathing:One is to and shingles7 "exposures respectivelyfor 1.For lower18"and approximately 1 1/2"above space 1 x 4 boards to coincide with the roof slopes and lower product grades exposure line. weather exposure(Table 2,Page 24)of the use reduced exposures. Spaced sheathing should shingles(Figure 5).Thus,if the shingles are to be 1 x 4 or 1 x 6 be laid at 5 1/2"to the weather,the sheathing boards would also be spaced at 5 1/2"on Space shingles center.In this method of application each 1/4"-3/8"apart �` shingle is nailed to the center of the 1 x 4 �� ���� board.With 7 1/2"weather exposures,the ` center of the sheathing board shall equal the '� � distance of the weather exposure. j= Alternatively,although not commonly used,a �� S �— Alternate tours®�.�` \ — Rafter fascia permeable underlayment(i.e.breathable), joints should ' / • �� such as roofing felt,may be applied over not align ` ' either solid or spaced sheathing. Adjacent coursejoints �'� Solid wood sheathing o r should be offset 1 1/2"minimum NUN.-- 0 , Note:The only solid sheathing product Gutter ' Eave protection(extend to rake edge) tested for use with Certi-label®shakes and Product should project First course doubled or tripled shingles is plywood.Check with your local 1 1/2"beyond the fascia Fascia Rafter building code official for plywood and approximately 1"over header Rafter thickness/dimensions. the gable or rake end" Figure 5: Certi-label® Shingle Application Certi-label® Shingle Application Regardless of style,the following basic application details(Figure 5)must be observed. Centerline of heart 1.Shingles must be doubled or tripled at all I eaves. 2.Butts of first course shingles should project �I I /I I 1 1/2"beyond the fascia and approximately 1 1/2 I I '' 1"over the gable or rake end. V` 3.Spacing between adjacent shingles(joints) I I I I should be a minimum of 1/4"and a Knot or similar defect ji I maximum of 3/8". ,, 4.Certi-label®shingles shall be laid with a I I I l i l side lap not less than 1 1/2"between joints in adjacent courses,and not more than 10% Figure 5a: Course Alignment shall be in direct alignment in alternate courses.Check with your local building code 6.Flat grain shingles wider than 8"should be official in your area. split in two before nailing.Knots and similar 5.In lesser grade shingles(Figure 5a) defects should be treated as the edge of the containing both flat and vertical grain,joints shingle and the joint in the course above should not be aligned with centerline of placed 1 1/2"from the edge of the defect. heart. RECEIVED Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT MANSARD ROOF DETAILS 6 The mansard is particularly well suited to ti renovation work on pitched roof houses because the upper story can be enlarged The bottom edge of the felt should be positioned above the butt of the shake without adding extra height to the structure. at a distance equal to twice the i / The low downward slope of the mansard roof weather exposure. line acts visually to reduce the scale of a building and helps to eliminate a boxy Two nails(only)for each appearance.This technique is used frequently shake approximately 3/4" on large commercial projects,particularly from edge and approximately those near residential neighborhoods.It is 1 1/2"above exposure line. also a common solution to the problem of avoiding a monotonous appearance on flat- roofed frame apartment buildings. —/6 Plywood Sheathing Properly used,a mansard roof can strengthen Certi-label®shakes _ �7' the design without substantially increasing r 41 construction costs.If raised up above the level Space shakes 3/8° 4,''' of a built-up roof the mansard can screen out to 5/8 apart\ �1 / i ' \ roof penetrations or mechanical equipment. NW j The variety of mansard roofs is practically � r infinite.One of the most widely used(and misused)roof designs,its proportions and Product should project ,h, scale are very important and care should be 1 1/2"beyond the fascia ; taken to avoid a mansard roof line that is and appeookely 1"over the gable orrma rake end either too skimpy or too generous. Two of the most widely used roofing Eave protection min.36" materials on the mansard roof are Certi-label®cedar shakes and shingles. Figure 6: Mansard Roof Cedar shakes,with their heavier texture and solid appearance,are perhaps more `; _'S /'lbi': frequently specified for mansards although ..k-; ��,Nbk, ;, shingles are also used,particularly when a • V 1 \� \ f T �' ' " lighter scale is desired. il.. �ti4. << ! ` �1 lb- The light weight and ease of application of ; '��' �� —�44,, l Certi label®shakes and shingles contribute ;,�k !• `�`� V. substantially to economical construction. `4 � k c ; ,-^ •'" '`74V-i— 1 II Construction details for typical mansard roofs ��-ey �� \�\` \ ►.-•i� 'Ok 00 \�•o ii are shown in Figure 6. `• " t '. • .4 - Vi1/44‘ 1 1011411t, --., abh, , - ' 9 I* U kill II lilZ*1\ \ .-• -‘,1hZ.,\ ' 44 '14 LAIlkiti ill ktkiPk‘ \\U\ - -- -:,ii \*Pkti M‘Akklkit t 17', ' ' 'd Et) 1 IS o o:Murray eviri Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 7 LOW SLOPE ROOF DETAILS The minimum roof slope on which Certi-label®shakes are recommended is 4:12 and for Certi-label®shingles,3:12.It is possible,however,to apply Certi-label® shakes or shingles to solid sheathed roofs of low slope between 3:12 and 4:12.Certi-Last® pressure-impregnated preservative-treated shakes or shingles are recommended in low 1 s"felt interlay slope installations.Shingles must be applied at a reduced exposure.Never interlay 2 nails per shake shingles with felt.The prescribed method 4 overlap of felt 2 x 4 spacers 24"Certi-label®shakes provides a double roof on which the at 10"exposure Certi-label®shakes or shingles are applied to ` 1 x 4 or 1 x 6 a lattice-like framework embedded in a Product should project a -Mk .� nailing strips bituminous surface coating. 1 1/2"beyond the fascia the gable or rake end - A hot mop or similar approved membrane \ � A� should be applied over the roof deck.Consult your local building code official for approved I - " products in your area.With the final hot-mop4 g P application 2 x 4 spacers of Western Red * _ Cedar or preservative treated lumber are Gutter �� embedded in the bituminous coating.These Hot mop or similar approved membrane. I_. spacers are installed over the rafters and Shake starter �, P course �j;% i� - Consult your local � extend from eave to ridge.Check with your gip building official for 36"felt underlay ,j ;� I approved products in Fascia local building code official for their \ �_ 'r Solid sheathing your area. preference in your area. Rafter Solid sheathingat eave Next, 1 x 4 or 1 x 6 nailing strips,spaced Rafter header according to the weather exposure selected for the Certi-label®shakes or shingles, should be nailed across the spacers to form a Figure 7: Certi-label® Shake Application to Low Slope Roofs lattice-like nailing base.For example,if 24" shakes are to be installed at a weather exposure of 10",the nailing strips would also be spaced at 10"on centers.When 1 x 4 spaced sheathing is installed at 10"on center, additional 1 x 4 boards must be installed. Finally,the Certi-label®shakes or shingles are applied in the normal manner with a starter course at the eave and felt interlay between each course of shakes(Figure 7). Note: •When utilizing a non-permeable barrier (including non-permeable underlayment) over the entire roof deck/sheathing system, consult a Building Envelope Specialist. • If installing shakes<4:12 slope or shingles<3:12 slope, check with your local building code official for approval to make sure the application complies with jurisdictional requirements. RECEIVED Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT HIP AND RIDGE DETAILS 8 Certi-label® Hip And Ridge Details TIPS Intersecting roof surfaces at hips and ridges Note: should be capped to ensure a weather-tight joint.Site-made or factory-assembled hip and •Nails must be longer than those used on the field of the roof and of sufficient length ridge units may be used,but both types must to penetrate 3/4"into or completely through the sheathing. have alternate overlaps and concealed nailing •If making hip and ridge in the field,check warranty paperwork submission (Figure 8).When ridge cap and field product requirements. are the same length and grade,the weather •Face nailing is not aesthetically pleasing nor is it good for the roof system integrity. exposure of the ridge cap should be the same exposure as the field product of the roof. •Ensure ridge is properly ventilated to comply with local building code requirements Nails must be longer than those used on the (check this manual for more details). field of the roof and of sufficient length to penetrate 3/4"into or completely through the sheathing.Position fasteners approximately 2"above exposure line.Install a strip of felt, eave protection material or metal over hip or ridge under the ridge or hip cap.If longer or shorter ridge cap is used,adjust exposure accordingly. Alternate Cut back edge of shingle or shakes on bevel. overlap Join ridge material with type 304 or 316 stainless steel fasteners See fastener details in this manual. ..........)I r- 4(411111 4 to At4 4 1 i 1\i, \ 4NiiL 4 ,,,,,,r. j, Notched Notch first piece of starter course Position fasteners tlifsm ham approximately 2"above Double starter course exposure line Choose material of uniform width between 4"and 5" (if making units with field material) Figure 8: Certi-label® Hip and Ridge Application RECEIVED Check with building code official for local jurisdiction requirements 10/0 6/2 023 ASPEN BUILDING DEPARTMENT 9 ROOF JUNCTURE DETAILS Correct construction of roof junctures and Double or triple slope transitions is vital to ensure the integrity Product should project starter course of the roof system.In the following cases, 1 1/2"beyond the fascia and approximately 1"over where metal flashing is employed,check with the gable or rake end-----7 your local building code official for minimum gauge/thickness requirement.It should be Wood molding painted on both sides with a good metal or Metal flashing bituminous paint.Flashing materials should be painted after bending to maintain the Sheathing integrity of the coating. Convex Juncture Figure 9: Convex Roof Juncture On this type of juncture(Figure 9)metal flashings should be installed to cover the top 4"of the wall and the bottom 8"of the roof slope before the final course of Certi-label® Interwoven felt shakes or shingles is nailed to the top of the for shakes only ` \ Steeper slope roof wall.A strip of wood molding can be applied after final wall course is installed.A double or 36"starter felt ----_,---J triple starter course is then applied at the %� Double starter course eave,with a 1 1/2"overhang over the outside / _/ wall trim.The roof can then be completed in ,//:ilL\ the normal manner. Metal flashing Lower slope roof 6"up-6"below Concave Juncture Metal flashings for the concave juncture are Solid sheathing ��� similar to those for the convex type.They should be installed to cover the top of the roof Product should project 1 1/2"beyond the fascia and slope and the bottom 4"of the wall before the approximately 1"over final course of Certi-label®shakes or shingles the gable or rake end is installed.The final roof course should be Figure 10: Low Slope to Steep Slope Roof installed so that the tips fit as snugly as Transition Detail - Certi-label® shakes possible against the wall at the juncture.A double starter course should be applied at the (Certigrade® shingle application is similar but without felt interlay) start of the wall surface and the remaining wall courses applied in the recommended manner.If nails are not acceptable through ` --_,e - -- __ _ - _ _- - - exposed metal,metal clips can be used to hold down the flashing. _ _Roof Transitions i ii -- . - _ _-_— Roof transitions(Figure 10)require appropriate flashing,felt and product i " _____ application.Changes in roof slope should be , � ,_ detailed in a similar manner as concave — junctures,to ensure the integrity of the roof �. l--<=-- system.Solid sheathing is required above and �.�, _--_ '�=�' V" "' _ below the change in slope,metal flashing is ' — -- required across the change in slope,and a 36" --i— """" ~ ■�E strip of starter felt is required on the upper � I _ - slope,installed in the same fashion as at -- M. M - „A' the eaves. Courtesy:Western Wood Products,Photo:John Spaulding Check with building code official for local jurisdiction requirements— 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT ROOF JUNCTURE DETAILS 10 Ridge cap =� \---.0 Last course Metal over flashing�` flashing Apex Juncture On this roof juncture(Figure 11)metal shingles first to the wall then to the roof.The flashing should cover the top 8"of the roof overhanging roof material is then trimmed and the top 4"of the wall.It should be flush with the wall.Finally,specially prepared Sheathing installed before the final course of ridge units are applied over the wall-roof Certi-label®shakes or shingles is applied to juncture so that in each matching pair the the wall.The recommended sequence of roof piece overlaps the wall piece each time. application is to apply Certi-label®shakes or Figure 11:Apex Roof Juncture For excessive sweep ��� shingles may be steam bent ��� Swept or Bell Eave When Certi-label®shakes or shingles are to starter course is employed in the usual �=� M be applied to a swept or bell eave where the manner.Exposure is determined by the slope 1 0 curvature is excessive,it may be necessary to of the roof and the type of Certi-label®shake �� soak them for a period (usually overnight)or or shingle selected.At lower pitches steam them prior to installation.A double waterproof eave protection should be used. Double eave protection Figure 12:Swept or Bell Eave ROOF VALLEY FLASHING DETAILS Roof Valley Flashing Detail Most roof leaks can occur where water is Different flashing metals are available in longevity as Western Red Cedar.Check with channelled off the roof or where the roof different areas depending on climatic your local building code official for their abuts a vertical wall or chimney.At these variations.It is good practice to use metals preference in your area.When using a points,metal valleys and flashings are used to that have proven their reliability under the pressure-impregnated treated product, assist the Certi label®shakes and shingles in specific conditions to be encountered.It is contact the treatment company for metal keeping the structure sound and dry. important that metal flashing have the same specifications. Structural members that a roof should Valley felt joinUse minimum nails to hold also be flashed at all intersecting angles to metal in place W valley metal prevent leakage.Step flashing should extend k �..� under the Certi-label®shakes and shingles, _♦.� �;��� -� up the vertical surface,(one flashing installed Eave felt should be ♦� ♦-�, � ► �`� lapped over the valley ��_ —— - on each course concealed under the covering joint to give 3 levels of ♦ I �� _.'� course)and should be covered by a second eave protection.(valley ,�_ ��� �. layer of flashing(counter flashing). felt,eave felt and metal) �I __� Eave protection (extend to rake edge) Valley metal 8'0"long Flashing should be pre painted both sides �'►'` overlapped 6"at joints/ Open valley width 4"to 8" using a good metal or bituminous paint j C depending on water volume. painted both sides (Figure 13a).Flashing strips which must be / ! \ ( 1 Mark anticipated water lines bent to sharp angles should be painted after Roofing felt ' Metal to extend as far as ° 1 (width of open valley)on bending.Metal flashing with baked-on shakes or shingles valley sides with a chalk line. enamel coating is available in some areas. Solid sI�LC heRf E r E lVE D Figure 13a:Valley Metal Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 11 ROOF VALLEY FLASHING DETAILS Valleys: Certi-label® Shingles 36"valley felt(left side) For roofs with slopes of 12:12 or greater, A A W valley metal lapped valley flashing should extend not less than 8" INEEN at ridge(2"lap) on each side of the valley centerline.For roof 1/2 folded back trim VIM slopes less than 12:12,flashing should extend _ �� 36"valley felt(right side) not less than 11"each side.Valley metal W valley metal 1111 �� should be underlayed with No.30 ASTM , 00 D226 Type II or No.30 ASTM D4869 Type IV roofing felt.Shingles should not be applied with their grain parallel to the valley centerline and those extending into the valley ` should be cut at the correct angle(Figure 13b). Valleys: Certi-label® Shakes Figure 13b: Typical Saddle Flashing Detail On shake roofs,it is recommended that a strip of No.30 ASTM D226 Type II or No.30 ASTM D4869 Type IV roofing felt be installed 0 Keep nails well away from over the sheathing and under the metal the center of valley valley.Metal valleys should be center © Hidden felt crimped,painted,galvanized steel or \ Az aluminum and should extend not less than N. 11"on each side of the valley centerline.In \ ii41' kV' some areas,however,flashing width , NHr‘r°I 1.1%\ \I illfroW44.itipPz requirements may differ and local building codes should be consulted.Shakes should not be applied with their grain parallel to the . valley centerline and those extending into the \ *OP \, ''''•.. ----1".44100 / valley should be cut at the correct angle \,, ‘._,,..2----- :OP-, / (Figure 13c). Note:Check with your local building code 7 official for minimum gauge/thickness requirement. Figure 13c:Valley Product Application Order of applying Certi-label®2.Place pre-cut valley piece so 3.Select product of the shakes or shingles at valley: that cut-angle is positioned required width to complete W valley metal 1/2"crimp on the valley guide chalk line the course of Certi-label® 1.Stop course line here with tip on the course line. shakes or shingles. Figures 13a-13d: Flashing Details for Shake and Shingle Valleys Figure 13d: Roof Valley Flashing Detail RECEIVED Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT ROOF PROJECTION FLASHING DETAILS 12 Top,head,saddle, Step flashing interwoven pan or cricket flashing with each course ‘110...,700111111.11 - IIII Counter f` flashing r� Step flashing t—.....4_....• �VII3 laps %! � , 'rid9„N. Certi-label® Illi — ��•Bottom apron product Bottom apron flashing flashing Figure 14a:Skylight Flashing Figure 14b:Skylight Installation Certi-label®product 0 3"minimum �� 6"minimum Typical chimney flashing OG Bottom or not requiring soldering 1 ���\�000� / Apron flashing Step flashing 3" ��\��0�� Head flashing minimum overlap \��00� o Recommended step flashing width Caulking ' Shakes Shingles / Caulking _Horizontal width 4" 21/2" Vertical width 3" 21/2" \ 3„ Typical chimney 6.. flashing requiring Note:Check with your local soldering building code official for minimum Solder joints gauge/thickness requirement and step-flashing height. Figure 14c:Typical Projection Flashing 1"minimum clearance Certi-label®shake around projection or shingle joint 440 • Nails should not penetrate flaneing * IL !`�flange underneath / �� ' `'♦ `/4r--->jilOir - ♦� Keep edge of flange " / - minimum 2"from edge of Certi-label® shake or shingle joint Counter flashing`p ri Jack Figure 14d:Typical Projection FlashingPlumbing stack Figure 14e:Typical Projection Flashin I g YP� 1 ti g YP ����� Y ED —5 Figures 14a-14e: Flashing Details for Typical Roof Projections Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 13 ROOF FASTENER GUIDELINES Nails Fasteners Each Certi-label®shake or shingle shall be applied with two fasteners. Nails must be Type of Certi-label® Nail Type and stainless steel Type 316 in locations within Shake or Shingle Minimum Length fifteen(15) miles of salt water.For locations outside the salt water zone-nails must be Certi-Split® & Certi-Sawn® Shakes Type (in) stainless steel,Type 304,Type 316,or hot- dipped galvanized with a coating weight of 18" Straight-Split 5d Box 1 3/4 ASTM A 153 Class D(1.0 oz/ft2).Stainless steel nails offer the highest degree of corrosion 18" and 24" Handsplit and Resawn 6d Box 2 resistance.Ring shank nails are used for better withdrawal resistance and in 24" Tapersplit 5d Box 1 3/4 designated high wind zone areas.Some nail manufacturers offer nails specifically for 18" and 24"Tapersawn 6d Box 2 wood shake or shingle roof application. Contact the nail manufacturer for further Certigrade® Shingles Type (in) information to ensure the fasteners used comply with listed requirements and are 16" and 18" Shingles 3d Box 1 1/4 correct for your application. 24" Shingles 4d Box 1 1/2 Staples The Cedar Shake&Shingle Bureau®prefers the use of nails,however if you choose to use staples they must be stainless steel Type 316 in locations within fifteen (15)miles of salt water. For locations outside of the salt water zone stainless steel Type 304 or Type 316 Important Notes: must be used.Each Certi-label®shake or shingle shall be applied with two(2)staples. Underdriving or overdriving any fastener Nails must be stainless steel Type 316 in Staples must be 16 gauge with crowns 7/16" will affect the integrity of the roofing locations within fifteen(15)miles of salt system.Fasteners utilized must be specific water.For locations outside the salt water minimum horizontal,maximum 3/4" for use with wood shakes and shingles to zone-nails must be stainless steel,Type horizontal to the Certi label®shake or prevent splitting and other weakening304,Type 316,or hot-dipped galvanized shingle butt. p g yp pp factors.Do not use electrogalvanized with a coating weight of ASTM A 153 (EG)fasteners.Ensure the fasteners used Class D(1.0 oz/ft2). comply with listed requirements. Pressure Impregnated Treated Do not be fooled by"Number"304 or 316 Shakes and Shingles fasteners. The proper specification will include"Type"304 or 316—there is a Fasteners used with fire-retardant-treated content difference.Longer fasteners of the (Certi Guard®)and preservative treated same quality are required for nailing hip (Certi-Last®)shakes or shingles must be and ridge product. stainless steel Type 316.For specifics on Check fastener requirements for your installation,accessory building materials location(ie.salt water proximity or not.) (flashing,etc),finishes and maintenance please contact the treatment company directly. The information above is not intended to supersede local building codes. Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT ROOF FASTENER GUIDELINES 14 Do not use electrogalvanized (EG) fasteners. YES NO NO Correct-flush with surface Underdriven Overdriven Location/Penetration Fasteners,two(2)per shake or shingle,shall be applied approximately 3/4"from the edge and approximately 1 1/2"above the exposure line.Fasteners shall be long enough to Example of a severely corroded electrogalvanized fastener.Ensure the penetrate into the sheathing at least 3/4"or correct fasteners are used.Corroded fasteners lead to serious roof all the way through.Minimum nail lengths system failures as well as unsightly staining. are shown in the fastener chart.Nails and staples must be driven flush with the surface of the Certi-label®shake or shingle. Overdriving the fastener can split and/or distort the Certi-label®shake or shingle. Important Notes: Underdriving or overdriving any fastener will Pressure Impregnated Treated Shakes affect the integrity of the roofing system. and Shingles Fasteners utilized must be specific for use with Fasteners used with fire-retardant-treated wood shakes and shingles to prevent splitting (Certi-Guard®) and preservative-treated and other weakening factors. Do not use (Certi-Last®) shakes or shingles must be electrogalvanized (EG) fasteners. Ensure the stainless steel Type 316. For specifics on fasteners used comply with listed installation, accessory building materials requirements. (flashing, etc),finishes and maintenance please contact the treatment company directly. The information above is not intended to supersede local building codes. Er YYt !, Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 15 VENTILATION DETAILS Ventilation Guidelines Roof rafter or truss li•--\ Ridge ventilation The importance of good attic ventilation �`' III, ., product beneath the roof cannot be overemphasized. Certi label®shakes or shingles ,,�j'• - irfiow (applied per specification) ,. `� Such movement of air willprevent or inhibit condensation of moisture on the 7:7/undersurface of the Certi-label®shakes or Louvere� vent at ea shingles,or on the roof decks.Vents should s �� be provided at the soffits(eaves)as well as at o I IAI,U��fy ft1111 ��i�ftftiftp 1111111111111111Oiiti�i�i�t�i�i�i4ti�if�iItttiMi�ititiMititihtititi4�ititffi gable ends(screenedtoin ingress of preventg ���i�.p Insulati insects),on roof by using attic roof ventilation on or preferably the ridge lines with cross Continuous __ ventilation desirable.A rule of thumb for screened vent ,, adequate ventilation is that the ratio of total net free ventilation area to the area of the Figure 15a: Gable Roof With Attic attic should be not less than 1:150,with compensation made for screens over vent /I`3 apertures.In the case of a balanced system a i/ I `, Ridge ventilation product Louvered ye ,s . Certi-label®shakes or shingles 1 square foot per 300 square feet of floor at each end ��� . (applied per specification) area may be adequate ventilation,for normal of attic / 1 installation.However if a barrier system of ,%'j'���� • any type is used above the roof deck the attic s�a4h4Mi4fi'�MifiMifi4fi4Mi4Mi4Mi4Mi4Mi44fi44fi44fi4fi4Mi4Mi4Mifif � . ventilation shall be a minimum of 1:150. Continuous Ob`77 Roof rafter i , •• screened vent \ • If spray foam or foam boards are required to .!%; a be applied to the bottom of the solid plywood 1� sheathing(not spaced sheathing),it is Insulation I strongly recommended to consult a building Airflow Airflow envelope specialist for potential issues of condensation and ultimate biodegradation of Figure 15b: Cathedral Ceiling With Partial Attic the solid plywood sheathing. Check with your local building code official. Certi-label®shakes or shingles Air flow Attic fans maybe beneficial bysupplying (applied per specification) 1 2"diameter additional movement of air in attic spaces. screened Several roof ventilation construction vents each roof rafter space techniques are shown in Figures 15a-15c. Any modification to the vapor barrier system Roof rafter or addition of a vapor barrier system should only be done after consulting with your local Air flow Insulation building code official and a building envelope specialist.In some areas,building envelope 0 specialists are regulated by government. Figure 15C: Shed Roof Figures 15a-15c: Ventilation Details Note:Do not cover the entire deck with non-permeable barrier(including non-permeable underlayment).See CSSB technical bulletin"Asphalt-Saturated Organic Felt". The CSSB recommends installing over plywood panel or dimensional lumber sheathing.If other sheathing materials are approved for use by your local building code official,the holding power of the fasteners should also be consider �CE par carefully.Contact local building code official for substrate(plywood)attachment fastener detail. LI Check with building code official for local jurisdiction requirements 10/0 6/2 023 ASPEN BUILDING DEPARTMENT VENTILATION DETAILS 16 Ridge Vents The amount of venting depends upon the size of the roof,roof design/structure,(attic present or not,etc.)as well as local climatic conditions.Check with your local building official for requirements in your area.One rule of thumb for venting the attic area is 1 square foot per 150 square feet of floor area. One half of this(1/2 square foot per 75 square feet of floor area)amount should be in the soffit or eave and one half(75 square feet) in the roof system.In the case of a balanced system 1 square foot per 300 square feet of floor area may be adequate ventilation.Check with your local building Certi-Ridge® shake or code official. ` shingle ridge � Ridge ventilation Low Slope (6:12 or less) /� � product installed to manufacturer's The CSSB recommends the installation of I specifications ridge ventilation product that allows for Roofing felt - � Felt folded back installation of pre-manufactured ridge applied over the vent material.There are many manufacturers of this design. Caulking Airflow through titstiltr Steep Slope (8:12 or greater) ridge On steep slope roofs,the correct ridge "400 ► ventilation products can actually facilitate the ease of installation of Certi-label®ridge Figure 16: Ridge Ventilation Detail units.Always follow the manufacturer's installation instructions.The predominant ridge material manufactured today is for a low slope roof. However,by using a ridge ventilation product that is malleable and at least 8 1/2"wide,the material can be TIPS installed across the minimum 3"of air space at the ridge to create a shallowing of the Check fastener requirement for your location (i.e. salt water proximity or slope at the ridge.Care must be taken to not.) Nails must be stainless steel Type 316 in locations within fifteen (15) caulk the ridge ventilation material to the miles of salt water. For locations outside the salt water zone- nails must Certi-label®shakes or shingles.Proper nailing of the ridge units will create a be stainless steel,Type 304,Type 316, or hot-dipped galvanized with a serviceable application. coating weight of ASTM A 153 Class D (1.0 oz/ft2). Cedar needs to breathe. If spray foam or foam boards are required to be Severe Climate Areas applied to the bottom of the solid plywood sheathing (not spaced In all wind driven snow areas,the proper sheathing), it is strongly recommended to consult a building envelope ridge ventilation product should have a specialist for potential issues of condensation and ultimate screening effect to prevent snow infiltration biodegradation of the solid plywood sheathing. RECEIVED (not louvered or baffled). Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 17 SPECIALTY ROOF DECK DETAILS Wood Deck Wood decks form an ideal base over which to Certi-label®shakes or apply Certi-label®shakes or shingles,since shingles(applied as per specification) they can be attached in the conventional manner. Horizontal boards minimum 1 x 4 Rigid insulation raises the issue of how to Vertical boards fasten Certi-label®shakes or shingles.The minimum 2 x 4 use of abnormally long nails driven through 4 Rigid insulation the Certigrade®shingles,the insulation and Wooden deck into the deck below is generally r joist unsatisfactory.Horizontal strapping will be "04 required to overcome the fastening difficulties.When strapping is used,fewer 41F nails penetrate through the insulation to the deck,and greater thermal efficiency is achieved by reducing the number of conductors.In addition,the lengths of the 411. 40. nails may be chosen to prevent the points • from protruding through the deck where they may mar the inside face. 440)1 If ice-damming is a potential problem or if Air space reverse condensation is likely to occur,such as may be encountered in an ice arena,a cold roof system should be used in conjunction with horizontal strapping,and ventilation must be provided at the eaves and at the peak.In buildings such as ski cabins that may Figure 17: Specialty Roof Deck-Vented Roof be subjected to heavy snow loads,it is usually necessary to fasten wood members(typically For vertical runs greater than 25 feet,contact a building 2 x 4 on edge)from ridge to eave on the roof envelope specialist for adequate ventilation requirements. deck and place the rigid insulation between. Strapping is then applied across the top of these members,giving a ventilated air space and avoiding compression of insulation. A false plywood deck over insulation(not shown)can be a good choice.Space the false deck over the insulation by installing 2 x 4 or TIPS greater vertical members that are securely •Cedar needs to breathe.If spray foam or foam boards are required to be applied to fastened through the insulation into the the bottom of the solid plywood sheathing(not spaced sheathing),it is strongly rafters.Attach the plywood to the vertical recommended to consult a building envelope specialist for potential issues of members and install the cedar roof over condensation and ultimate biodegradation of the solid plywood sheathing. standard underlayment. •For direct to deck application,consider using Certi-Last®products and also refer to high humidity details in this manual. •Nails: If the Certi-label®shakes or shingles are nailed directly through rigid insulation, a number of problems may be encountered.For instance,the longer nails have thicker shanks which tend to split the Certi-label®shakes or shingles. •Product movement may cause a reduction in insulation efficiency.For this reason,the use of strapping or a false plywood deck is again recommended. RECEIVED Check with building code official for local jurisdiction requirements— 10/0 6/2 023 ASPEN BUILDING DEPARTMENT SPECIALTY ROOF DECK DETAILS 18 Rigid Insulation Numerous types of rigid insulation are now in where snowfall is prevalent,please consult use,and may be made from expanded your local building code official for snow load polystyrene beads,rigid urethane laminate, requirements.A ventilation system between low density fiberboard,or from fast-setting the sheathing system and the bottom of the liquids poured on-site.They vary in thickness shakes or shingles is recommended when up to more than 2",as well as in length and installing directly to the solid plywood deck. width depending upon the manufacturer.All If shakes or shingles are applied over these types are efficient insulators and are insulation,ventilation is required.As a usually of sufficient density to hold the weight minimum,nailing strips are applied under of a normal roofing material without the need shingles.For areas of high humidity for lumber bridging.If you live in an area Certi-Last®pressure-impregnated preservative-treated product is recommended. COLD ROOF SYSTEM DETAILS Certi-label®shakes and shingles are an excellent roofing material for cold weather areas that experience heavy snowfall and severe temperature extremes.Certi-label® Ridge vent shakes and shingles offer the advantages of Certi-label®shakes or shingles durability,superior wind resistance and good (applied per specification) thermal and acoustical properties.As with any other roofing material,however,their best performance depends upon proper design,sound construction practice and /���;' correct installation. .� ds a e \\\ In cold weather areas and particularly in t\\ mountain regions that experience very heavy snowfall,the cold roof-or vented roof I ® system-is recommended.The principle of this system is to allow a constant flow of cold air above the insulation but below the roofing material.With other roofing systems,ice Spaced Trim buildup along the eaves can be a problem. sheathing vented space Heat escapes from the insulation and melts Rafter IIIIIIIIIIIII snow,which runs down the roof to the cold Insulation •fn01 overhangs where it freezes,causing water to back up and sometimes penetrate the roof systems.A properly installed,vented cold Figure 18: Gable Roof roof eliminates this problem.Venting space should be sufficient to allow a free flow of air from eave to ridge. Design,of course,is very important.The extended between the rafters and vented at There are a number of important steeper the roof the better the performance. the ridge.If this is not practical then plumbing considerations that influence roof Chimneys should be located at the ridge or vent pipes should be galvanized iron,well performance in areas of heavy snowfall, gable ends away from possible snow pressure anchored inside the roof.(Plastic vent pipes particularly mountain regions. on the slopes.Plumbing pipes should be extending through the roof it i 1 WE D located on inside walls and should be by sliding snow.) _ • 6�/ Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 19 COLD ROOF SYSTEM DETAILS Wide overhangs at the eaves should be avoided as they provide large cold areas for snow and ice build-up.A strip of metal along 0, fi Cap the eaves hel s shed ice uickl ice � P quickly.Sliding Certi-label®shakes or shingles //� and snow are constant hazards and should be (applied per specification) ,, �� Screen given primary consideration in the total �� ,�,/ building design.Outside doors should not be Double starter � W 0er �� �� located at the bottom of a roof slope. , 1 ,� Entrances and all pedestrian traffic areas are 6 t� better situated beneath the gable ends of the course-\ ',///�� �; 1 ,` roof. "�,� �j► Care must be taken in applying the sheathing � ` boards to facilitate proper nailing.Shake or :�, Decking shingle side lap should be increased to 2". 3 The entire roof must be laid with the same Screen Rigid insulation precautions as those taken for any other type of wood shake or shingle roof,with eave protection and an interlay felt between shakes. Care in cold roof design and installation will Figure 19: Shed Roof result in a sound roof system giving many years of service during severe extremes of Figures 18, 19 & 20: Cold Roof Systems winter temperatures and snowfall. Ii; o0,,,,„.Nik\ /"' ' Screen Insulation Z_ Interior finish T Certi-label®shakes or shingles (applied per specification) 1 1111D/;���`�� 7 , \/.... / z z Screen RECEIVED Figure 20: Half Monitor Roof Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT SOLID DECK APPLICATION/HIGH HUMIDITY AREA DETAILS 20 In areas of high humidity where solid sheathing is required, here are some installation options to The bottom edge of the felt should be consider: positioned above the butt of the shake at a Two nails(only)for each shake distance equal to twice the weather exposure. Option 1: approximately 3/4"from edge Never interlay shingles with felt. and approximately 1 1/2"above Apply Certi-Last®pressure-impregnated exposure line. treated shakes or shingles directly to the Space shakes 3/8" '' sheathing.(See Figure 21a). to 5/8"apart \ \4 Exposure�\ �� \ f N/:,,-,- ,?. Option 2: Product should project Apply vertical strips over the sheathing in and1 approximately"beyondthe fascia1"over 711) ,- 1"over \ alignment with the rafters below,then place the gable or rake end Plywood sheathing horizontal furring strips on top of the vertical boards.(See Figure 21 b). Adjacent course joints Eave protection should be offset 1 1/2" y o (extend to rake edge) minimum Ni '4 6*.. Starter course Gutter Rafter Note: Fascia Rafter header Incorporating any type of ventilation system with Certi-Last®shakes or Figure 21 a: Certi-Last® Shake Application shingles will provide a more robust (Option 1 Depicted) installation. Good ventilation is essential.Ridge and soffit vents are recommended. 18"felt interlay 4"overlap of felt 2 x 4 spacers 2 nails per shake 'I 24"Certi-label®shakes 1 x 4 or 1 x 6 at 10"exposure \i % .�� ��``� nailing strips 0 N401101 ''' 'Fascia1 di 01 4 li .!1\11,1,14....: __- ./.........011110010 ,0i11111111 .y ,. Solid sheathing Note: The above figures are Shake starter course 110�,� depicting a shake application - 36"felt underlay Solid sheathing at eave Do not interlay shingles (extend to rake edge) Rafter header with felt. Figure 21 b: Vertical Strips Over Solid Sheathing Application (Option 2 Depicted) RECEIVED Check with building code official for local jurisdiction requirements 10/0 6/2023 ASPEN BUILDING DEPARTMENT 21 SOLID DECK APPLICATION/HIGH HUMIDITY AREA DETAILS Option 3: A continuous ventilation product may be used beneath the Certi-label®roofing material (See Figures 21 c and 21d).The CSSB does not require the use of a continuous ventilation 18"felt interlay 4"overlap of felt product:it is one of many options to consider \ P continuous (see previous page). 2 nails per shake ,_continuous product Continuous ventilation products come in a 24"Certi-label®shakes variety of designs/formats.Consult your at 10"exposure �� supplier and the continuous ventilation � product manufacturer for application and �� � /' /O installation instructions specific to its product. \ soheathing \ Ask for details regarding warranty and air 111110,: . Note:Good ventilation is essential.Ridge Shake starter course and soffit vents are recommended. 36"felt underlay Correct cedar shake and shingle installation (extend to rake edge) practices are important and continuous Figure 21 c: Continuous Ventilation Product (mesh type) ventilation products,if used,need to be part of a properly installed roofing system. (Option 3 Depicted) 18"felt interlay 4"overlap of felt 2 nailsper shake continuous ventilation product 24"Certi-label®shakes =0 — at 10"exposure ���/ �: �o�� N-- 3+>. •<>. ,' 4 -----i ,4110 -- \ - - -- 1 - - ' (00( . , - -411017#,_ Solid sheathing Shake starter course �� Note: Figures 21 a-d show 36"felt underlay shake application - Do not (extend to rake edge) interlay shingles with felt. Figure 21d: Continuous Ventilation Product(rigid type) (Option 3 Depicted) Figures 21c - 21d: Continuous Ventilation Product Options RECEIVED Check with building code official for local jurisdiction requirements 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT CEDAR CARE AND MAINTENANCE OVERVIEW 22 Certi-label® Cedar is Naturally Experienced care and maintenance Certi-Last®products are cedar shakes and Long-Lasting professionals can make recommendations shingles that are factory pressure- based on: impregnated treated by quality treaters who Cedar shakes and shingles have been used • are members of the CSSB.Contact the for hundreds of years.They have proven their Zinc or copper strips nailed at the ridge cap can be effective to control moss.Reaction treatment company for warranty details. longevity in actual weather conditions,in all between rain and the zinc or copper forms Pressure-impregnated treated Certi-Guard® types of climates.Cedar shakes and shingles a mild solution that is carried down or Certi-Last®products should not receive contain compounds that make them naturally sections of the roof.The optional use of after market roof treatments without written decay resistant.Their insulative qualities, these strips can be eliminated if you are aesthetic appeal,and wind&impact using Certi-Last®products. permission from the manufacturer of such resistance make Certi-label®cedar shakes products. Overhanging branches should be kept and shingles the natural choice for your trimmed away from the roof.This will roofing and siding material. prevent leaves,small branches and other debris from building up and keeping the Longevity Starts with a Quality roof wet. Manufacturer • Gutters and downspouts need to be cleaned regularly,usually in the spring and Not all cedar products are alike.Purchasing fall.Downspouts(leaders)should run cedar products with the"Certi"brand name directly to the ground or to another gutter on the bundle label guarantees you that the below.Never let a downspout drain directly mill undergoes inspections by an onto a lower roof surface. independent third party inspection agency. • Ensure ventilation is available,year round. Only Cedar Shake&Shingle Bureau® Areas with louvers,ridge vents,roof vents, ("CSSB")mills are allowed to label their and soffit vents need to be kept clear and products with the Certi-label®.Each member never blocked off.Adequate ventilation mill's bundles will have the distinctive ensures heat and moisture do not build up Note:ONLY experienced Certi-label®tucked under the bundle strap. in the attic area.Adequate ventilation also Locating Certi-label®products is as close as professionals who follow proper your nearest computer or telephone.Contact prevents water from accumulating at the safety and workmanship practices bottom of the roof and then freezing(ice the CSSB for more information. damming). should implement the information contained herein. Certi-label® Cedar is also Available Longevity Continues with a Quality with Pressure-Impregnated Installation Treatment Process Roof construction plays a major role in For even longer life span,where climate is a determining the lifespan of cedar roofs. factor,CSSB members offer Certi-Last® Proper design is absolutely critical to ensure preservative-treated shakes and shingles. long-term roof integrity.Proper installation will help maximize the life of cedar products. These products are ideal for areas of high humidity. Additional information on Care and Maintenance can be found at www.cedarbureau.org R ErEIVED Check with building code official for local jurisdiction requirements— 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 23 CEDAR CARE AND MAINTENANCE OVERVIEW A Word About Topical Treatments Topical Treatment Products Powerwashing For Installed Roofs It is not within the CSSB's mandate to This is the most controversial issue in the care There are hundreds of companies offering recommend brand names of topical roof and maintenance industry.It is a fact that topical roof spraying and cleaning services. treatment products.Consult with your local high pressure washing by inexperienced The CSSB has conducted an in-depth study of professionals for product information people will cause significant damage to any care and maintenance systems,and provides regarding cleaning and preserving cedar in material.Some debris can easily be removed the following summary: your area.The CSSB does,however, with garden hose pressure.Some contractors • Avoid the fly-by-night operation that has no recommend the following: powerwash to clean roofs,while others do permanent office,no workmanship DO use a topical treatment product not.If powerwashing is used,the roof should receive a topical treatment to restore the roof. guarantee,and no local references.Fly by that: The CSSB recommends having a professional night operations often gouge consumers for thousands of dollars beyond the value • Offers a MSDS(Material Safety Data Sheet assess each job on an individual basis to of their service,leaving them with damaged that lists product ingredients and safety determine if powerwashing is appropriate or roofs covered with unsuitable and precautions) not.Care and maintenance professionals sometimes dangerous treatment products. • Is labeled as a cedar roof treatment product know the proper procedures,which include If you elect to have a topical treatment or has a letter from the manufacturer factoring in: applied to your cedar roof,the CSSB stating that treating cedar roofs is an • Age,condition and environment of roof recommends the following: appropriate use for this product • Gallons sprayed per minute 1.Check references(consumer,Better • Is a water repellent,UV inhibitor,and/or • Fan tip size Business Bureau,Chamber of Commerce). EPA registered wood preservative • Distance spray nozzle is held from roof 2.Ask about the treatment product that is ' Has a manufacturer's performance • Pressure per square inch and others... being used(more details follow). guarantee 3.Ask to see the company's workmanship The Beauty Of Cedar guarantee,license and workers' DO NOT use a topical treatment compensation coverage. product that: Another good thing about cedar is that it is possible to replace and repair parts of the • Makes outrageous claims(such as a 10- roof,without worrying that your replacement year effectiveness) shakes or shingles are significantly different in Note:ONLY experienced • Makes fire-retardant claims composition from your original shakes or professionals who follow proper shingles.Over the hundreds of years that safetyand workmanshippractices • Is a sealant,waterproofer or plasticizer g • Contains unfortified linseed oil,diesel fuel cedar has been used,the product has should implement the information remained unchanged...it's still cedar.As contained herein. or crank case oil cedar advances to its mature stage,it is The CSSB is aware of numerous bleaching natural to expect some pieces to require and cleaning agents.Consumers are advised replacement.Individual repairs are possible, to heed the preceding topical treatment and with prompt attention,proactive repairs precautions before allowing such products to can extend the life of your wise Certi-label® be applied to a cedar roof. cedar investment. Additional information on Care and Maintenance can be found at www.cedarbureau.org RECEIVED Check with building code official for local jurisdiction requirements— 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT COVERAGE AND EXPOSURE TABLES 24 Shingle Coverage Table 1 LENGTH AND Approximate coverage of one square (4 bundles)of shingles based on following weather exposures THICKNESS 31/2" 4" 41/2" 5" 51/2" 6" 61/2" 7" 71/2" 16"x 5/2" 70 80 90 1100* 18"x 5/21/4" 72 1/2 81 1/2 90 1/2 100* 24"x 4/2" I 731/2 80 861/2 93 100* NOTE:* Maximum exposure recommended for roofs. Shingle Exposure Table 2 Maximum exposure recommended for roofs LENGTH SLOPE Number 1 Blue Label Number 2 Red Label Number 3 Black Label 16" 18" 24" 16" 18" 24" 16" 18" 24" 3:12 to 4:12 3 3/4" 41/4" 5 3/4" 3 1/2" 4" 5 1/2" 3" 3 1/2" 5" 4:12 and steeper 5" 5 1/2" 71/2" 4" 41/2" 61/2" 3 1/2" 4" 5 1/2" Shake Coverage Table 3 see footnote (f) below Approximate coverage (in sq.ft.)of one square,when shakes are applied SHAKE TYPE, LENGTH AND THICKNESS with an average 1/2"spacing,at following weather exposures, in inches (d): 5 51/2 71/2 81/2 10 18"x 1/2"Handsplit-and-Resawn Mediums (a)* — 75(b,f) 100(f,c) — — 18"x 3/4" Handsplit-and-Resawn Heavies (a)* — 75(b,f) 100(f,c) — — 18"x 5/8"Tapersawn* — Approx.75(b) 100(f,c) — — 24"x 3/8"Handsplit — — 75(e) — — 24"x 1/2"Handsplit-and-Resawn Mediums — — 75(b) 85 1 100(c) 24"x 3/4"Handsplit-and-Resawn Heavies — — 75(b) 85 100(c) 24"x 5/8"Tapersawn — — 75(b) 85 1 100(c) 24"x 1/2"Tapersplit — — 75(b) 85 100(c) 18"x 3/8"Straight-Split — 65(b) 90(c) — 1 — 24"x 3/8" Straight-Split — — 75(b) 85 100(c) 15" Starter-Finish course Use supplementary with shakes applied not over 10"weather exposure. (a)5 bundles will cover 100 sq.ft,roof area when used as starter-finish course at 10"weather (f)Note:While most shakes are packed in exposure;7 bundles will cover 100 sq.ft.roof area at 71/2"weather exposure;see footnote(d). bundles of 12 courses each side(12/12)they may be packed 9/9.This will alter the number (b)Maximum recommended weather exposure for 3-ply roof construction. of bundles required to cover 1 square. (c) Maximum recommended weather exposure for 2-ply roof construction. For example:18"shake bundles 12/12 should (d)All coverage based on an average 1/2"spacing between shakes. cover 100 d feet c la exposure.9/9 g pack should square e 75%coverage of a square. . (e)Maximum recommended weather exposure. Check with your supplier to confirm specific *100 sq.ft.coverage is based on 12/12 pack,5 bundle square,at 7 1/2"exposure. packaging(bundle size)used for your order. Shake Exposure Table 4 Formula for calculating material at reduced exposures: Maximum exposure recommended for roofs Square footage divided by reduced coverage =total material required e.g.you are estimating a roof that SLOPE LENGTH measures 3200 square feet(32 squares).You have 18" 24" decided to put 16"Certigrade®shingles (No.1 Blue Label 4:12 and steeper 7 1/2" 10" (a) or No.2 Red Label)at 4"exposure. The above coverage table(Table 1)tells you that a (a)24"x 3/8"handsplit shakes limited to 7 1/2"maximum weather 4-bundle square at 4"exposure covers 80 sgrtl „WEE exposure per International Building Code and International Residential Code. 3200 divided by 80 = 40 squares of materia) '. Check with building code official for local jurisdiction requirements— 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 25 SPECIFICATION GUIDELINES This information has been designed to aid 7. All open sheathing shall be 1 x 4 or 1 x 6 13. Certi-Split®or Certi-Sawn®shakes shall architects,consultants and builders in boards(minimum 1 x 4 for both shakes be spaced apart not less than 3/8",not specifying Certi-label®shakes and shingles.It and shingles). more than 5/8". suggests a standardized terminology and style 8. All solid sheathing shall be lumber or 14. Premium and Number 1 Grade for ordering in the hope of improving structural panels applied according to Certi-label®shakes/shingles shall be accuracy.It incorporates a general outline of specifications of the American Plywood applied with the weather exposures the latest application information.Please note, Association.Please note:the only solid consistent with the following tables: however,that this is a specification guide only. sheet sheathing tested with shakes and The information in this manual is not shingles is plywood.Check with your local Maximum weather exposure intended to supersede local building codes. building official for plywood thickness/ Shingle 3:12 to 4:12 4:12 and Refer to local building codes for more dimensions. length roof slope steeper information. 16" 3 3/4" 5" Roofing Felt Interlay 18" 4 1/4" 5 1/2" General Specification Data (for shakes only) 1. The contractor shall cover all roof surfaces 9. Contractor shall apply a 36"wide strip of 24" 5 3/4" 71/2" with(specify one type of the following No.30 ASTM D226 Type II or No.30 ASTM Shake length and exposure product)Certi-Split®shakes/Certi-Sawn® D4869 Type IV roofing felt at the eave line. 18" 7 1/2" shakes/Certigrade®shingles bearing the An 18"wide strip of No.30 ASTM D226 / Cedar Shake&Shingle Bureau®'s official Type II or No.30 ASTM D4869 Type IV 24" 10" grade marked label. roofingfelt shall be applied over the top pp Note exception for resawn shakes: 2. Shakes/shingles for roofs shall be(specify portion of the Certi-label®shakes and 24"x 3/8"shake=7 1/2" grade and length). extend onto the sheathing.Bottom edge of 3. Shakes/shingles for outer courses shall be felt shall be positioned at a distance above 15. Chimney flashing shall extend up the (specify grade and length). the butt equal to twice the weather chimney to a height not less than 3",up 4. Shakes/shingles for undercourses shall be exposure. the roof slope to a point equal in height to (specify grade and length). Note:Felt interlay between courses is not the flashing on the chimney but never less 5. Roof shakes/shingles shall be laid with a necessary when straight-split,or taper-split than 1 1/2 times the Certi-label® weather exposure of(specify in inches). shakes are applied in snow-free areas at shake/shingle exposure.(All metal weather exposures of less than one-third flashings should be painted.) the total shake length(3-ply roof).Contact Manufactured step-flashing: Roof Application-Sheathing Boards the Cedar Shake&Shingle Bureau®for 5"x 7" shingle=2 1/2"wall,2 1/2"roof 6. Certi Split®shakes/Certi Sawn®shakes more information or visit 8"x 12" shakes=4"wall,4"roof shall be applied over solid sheathing.A www.cedarbureau.org Step flashing shall be a minimum height of solid deck is recommended in seismic 3",however greater heights are often activity,hurricane and tornado regions Roofing General Application Data required.Check with local building code and in areas where wind-driven snow is official for step flashing height. encountered and under pressure- 10. Certi label®shakes/shingles shall be at 16. Apron counter flashing shall extend to impregnated treated shakes and shingles. least doubled at all eaves. within 1"of the surface of the finished Please note that the only solid sheet 11. Butts of the Certi-label®shakes/shingles in roof. sheathing tested with Certi-label®shakes the first course on roofs shall project 1 1/2" &shingles is plywood.Check with your from the edge of roof eaves to insure local building code official for plywood proper spill into gutters and approximately thickness/dimensions. 1"at gable and rake edge. Certi-Split®shakes/Certi-Sawn® 12. Certigrade®shingles shall be spaced apart shakes/Certigrade®shingles may also be not less than 1/4",not more than 3/8". applied over spaced sheathing. RECEIVED —Check with building code official for local jurisdiction requirements 10/0 6/2 023 ASPEN BUILDING DEPARTMENT SPECIFICATION GUIDELINES 26 17. Where saddles or crickets are formed in Valleys For Pressure—Impregnated Treated back of chimneys,curves or similar 23. Certi-label®shakes/shingles extending Products vertical surfaces,they shall be carried not Fasteners used with fire-retardant-treated into the valley shall be sawed to the less than 10"under the Certi-label® (Certi-Guard®)or preservative-treated proper miter. shakes/shingles. (Certi-Last®)shakes or shingles must be 18. Step flashing shall be used where vertical 24. Do not lay shakes or shingles with grain stainless steel Type 316.For specifics on parallel with the centerline of valleys. building materials installation,accessory surfaces occur in connection with slopes. They shall be formed of separate pieces. 25. All valleys shall be installed with (flashing,etc.),finishes and maintenance Flashing shall extend horizontally not less Certi-label®shakes/shingles lapping the please contact the treatment company than 3"and up the vertical wall so that valley flashing not less than 7"on each directly. they shall be lapped by the counter side. Fasteners shall be long enough to flashing not less than 4".It shall be 26. On Certi-label®shingle roofs of less than penetrate into the solid wood sheathing at installed in step fashion and each piece 6:12 slope,flashing should extend at least least 3/4"or all the way through. shall lap not less than 3"(one flashing 11"on each side. 30. Nails shall be driven flush but not so that installed on each course concealed under 27. For Certi-label®shakes,metal valley the nail head crushes the wood.They the covering course).If other than sheets shall be center-crimped;of 20" shall be placed approximately 3/4"to 1" masonry is used the flashing shall extend minimum width;underlayed with a strip from the side edges of the shakes/shingles up the wall not less than 3"behind the of No.30 ASTM D226 Type II or No.30 and approximately 1 1/2"above the butt sheathing paper. ASTM D4869 Type IV roofing felt over the line of the following course. 19. Dormer flashings shall run 3"up under sheathing,and coated with a metal paint. 31. Each Certi-label®roof shake/shingle shall the sheathing paper and not less than 3" 28. Valley metals that have proved reliable in be secured with two full-driven,corrosion- horizontally. a particular geographic region should be resistant fasteners.(Specify size and type.) 20. Window caps and all other projections at selected.Copper flashing:check with local 32. Ensure that fasteners used are accepted points where rain water accumulates must building code official on the durability of by your local building code official. be provided with flashings,such flashings copper valleys in your area. must extend a distance of at least 3"up the wall behind the sheathing paper. Shingles: Fasteners 21. Soil pipes:Metal shall extend no less than 33. Use 3d"box"nails for new roofs with 16" 6"in all directions and shall be installed 29. For projects within 15 miles of salt and 18"shingles. to lap and shed water to the Certi-label® water—Certi-label®roof shakes and 34. Use 4d"box"nails for new roofs with shakes or shingles below. shingles shall be secured with two(2) 24"shingles. stainless steel Type 316 nails. For locations outside the 15 mile range 35. Use 5d"box"nails for over roofing with Hips and Ridges of salt water—Certi label®roof shakes 16"and 18"shingles,and for hips 22. All Certi-label®shake/shingle hips and and shingles shall be secured with two(2) and ridges. ridges shall be of alternate overlap type fasteners:stainless steel Type 304, applied at the same exposure as field of Type 316,or hot-dipped galvanized with a Shakes: roof and with nails long enough to coating weight of ASTM A153 Class D 36. Use 5d"box"nails for new roofs with penetrate into sheathing at least 3/4", (1.0 oz/ftz). position fasteners approximately 2"above 18"straight split shakes. exposure line.Install a strip of felt,eave 37. Use 6d"box 2"nails for new roofs with protection material or metal over hip or 18"and 24"handsplit-and-resawn shakes. ridge under the ridge or hip cap.If longer 38. Use 5d"box"nails for new roofs with or shorter ridge cap is used,adjust 24"tapersplit. exposure accordingly. 39. Use 6d"box 2"nails for new roofs with 18"and 24"tapersawn. 40. 6d nails are usually adequate for Certi-label®shakes,but longer nails shall be used as Certi-label®shake or shingles r j tl,; thickness or weather exposure dictates. Check with building code official for local jurisdiction requirements• 10/0 6/2 0 2 3 ASPEN BUILDING DEPARTMENT 27 HOW TO READ A CERTI-LABEL® ©2020 004 9 o CERTI-SPLIT © NUMBER Q GRADE Handsplit Red Cedar Shakes © CEDAR SHAKE & SHINGLE BUREAU THE RECOGNIZED AUTHORITY SINCE 1915 SUMAS WASHINGTON (604)820 7700 LIFETIME LIMITED WARRANTY AVAILABLE HEM CSSB MEMBER MAIJIFACTURER BELOW WHEN IFPLED BY A CSSB MEYBfR CONTRACTORINSTALLER 4 Quality Control Building Code . 10 Agency Logo Standards Mill Quality Cedar Shake& Product Testing Certification Number Numbers (ID Label ID Number . Litho in Canada www.cedarbureau.org Country of Manufacture Mill Name 6 ' Mill Location Mill Phone Number (IB) 7 20454 00004 2 ENVIOS ► � T PACKING m 0 HEAVY RESAWS COVERAGE CHART 100sq.ft. (2!)m2) 2411 v 3/411 BUNDLES EXPOSURE a (610.0 mm X 19.0 mm) 5 19"(254mm) 1. The "Certi" Brand Name-Your Quality Assurance 8. Product Dimensions 2. Product Grade 9. Cedar Bureau Label Number 3. Product Type 10. Building Code Compliance Numbers 4. Independent,3rd Party, Quality Control Agency 11. Product Performance Tests Passed 5. This Number Shows Compliance with Total Quality 12. Label Identification Number Manufacturing System 13. UPC Code 6. Mill Name, Location and Phone Number 14. Coverage Chart and Recommended Exposure 7. Industry Product Description 15. Application Instructions on Reverse Side 10/06/2023 ASPEN BUILDING DEPARTMENT CEDAR SHAKE & SHINGLE BUREAU® HISTORY 28 1 1 . 1 A I ---------.,_L.- --- - II , . .., __ . . .. . „____, „„„ , , , r_____ ____. _ __,____ _ , ,,,... . ..„ ..:_,... _ : Ijtii; !t.1 �_-- - t \ _ �"� L : 1920s:Chief Inspector Fred Monte inspecting product On June 9, 1915,at a meeting of the Trustees Manufacturers'product lines continued to of the West Coast Lumber Manufacturers broaden and,in 1988,the members changed Association,it was agreed to establish a the organization's name to the Cedar Shake& branch of the association to serve those Shingle Bureau®("CSSB").In the late 1980s, members who manufactured shingles.Our mill quality control inspections were influence grew,and as we survived both the subcontracted to independent,third party Great Depression and World War II, quality control agencies. manufacturers continued their quality Each year the CSSB's staff answer thousands commitment.In 1963,the organization of technical questions and product selection merged with the Handsplit Shake Bureau to queries.Our proud history,quality reputation become the Red Cedar Shingle&Handsplit and dedicated members provide excellent Shake Bureau. Certi-label®cedar shake and shingle roofing and siding products. RECEIVED 10/06/2023 ASPEN BUILDING DEPARTMENT • i- . C<0 Contact us for more information: TEL:604-820-7700 US Address Canadian Address FAX:604-820-0266 PO Box 1178 300—34334 Forrest Terrace Cedar Shake& www.cedarbureau.org Sumas,WA Abbotsford, BC Shingle Bureau info@cedarbureau.com 98295-1178 V2S 1 G7 This manual shows Cedar Shake&Shingle Bureau®recommended procedures as of the manual's print date.It is advisable to contact the Cedar Shake&Shingle Bureau®to ensure that you are using the latest available information. Cedar Shake&Shingle Bureau®,the CSSB logo®("C"with shingles/shakes),Blue Label®, Certigrade®,Certigroove®,Certi-Cut®,Certi-Guard®,Certi-label®,Certi-Last®,Certi-Ridge®, Certi-Sawn®,Certi-Split®,Certi-Wood®,Envirosmart®and The Crowning Touch of Quality&Design® are all registered trademarks of the Cedar Shake&Shingle Bureau®. Forestry Innovation Investment March 2020 Edition Printed in Canada