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HomeMy WebLinkAboutFile Documents.926 Waters Ave.0176.2018 (17).ARBK Altk Georgia-Pacific Denspeck® Technical Service Hotline 1.800.225.6119 or Roof Board www.densdeck.com Manufacturer Confirm any priming requirements with the membrane manufacturer.When applying Georgia-Pacific Gypsum Georgia-Pacific Canada solvent-based adhesives or primers,allow sufficient time for the solvent to flash off 133 Peachtree Street 2180 Meadowvale Boulevard,Suite 200 to avoid damage to roofing components. Atlanta,GA 30303 Mississauga,ON L5N 5S3 DensDeck Roof Boards should not be subjected to abnormal or excessive loads or Technical Service Hotline:1-800-225-6119 foot traffic,such as,but not limited to,use on plaza decks or under steel-wheeled Description equipment that may fracture or damage the panels.Provide suitable roofing system DensDeck®Roof Board is an exceptional fire barrier,thermal barrier,coverboard protection when required. and recovery board used in various commercial roofing systems.The DensDeck When using DensDeck Roof Boards for hot-mopped applications,Georgia-Pacific Roof Board design employs fiberglass mats front and back that are mechanically recommends maximum asphalt application temperatures of 425°F(218°C)to 450°F bonded to a high density gypsum core,providing excellent fire resistance and (232°C).Application temperatures above these recommended temperatures may wind uplift properties.The unique construction of DensDeck Roof Board provides adversely affect roof system performance.Consult and follow the roofing system superior flute spanning that stiffens and provides increased foot traffic resistance manufacturer's specifications for full mopping applications and temperature to the roof deck.Additionally,DensDeck Roof Board has been shown to withstand requirements. delamination,deterioration and job site damage far more effectively than roofing Conditions beyond the control of Georgia-Pacific,such as weather conditions,dew, membrane substrates such as paperfaced gypsum board,fiberboard and perlite leaks,application temperatures and techniques may cause adverse effects with insulation.DensDeck Roof Board has scored a 10,the highest level of performance roofing systems. for mold resistance per the ASTM D3273 test method. Moisture Management Primary Uses DensDeck Roof Boards,like other components used in roofing systems,must Roof system manufacturers and designers have found DensDeck Roof Board to be be protected from exposure to moisture before,during and after installation. compatible with many types of roofing systems,including:built-up,modified bitumen, single ply,metal systems,wood shingle and shake,tile,slate,as well as a recovery Remove the plastic packaging from all DensDeck Roof Board immediately upon receipt board and overlayment protection board for polyisocyanurate and polystyrene insulation. of delivery.Failure to remove the plastic packaging may result in entrapment of con DensDeck Roof Board can also be used as a form board for poured gypsum concrete densation or moisture.DensDeck Roof Board stored outside must be stored level and deck in roof applications as well as a substrate for spray foam roofing systems.1/2" off the ground and protected by a breathable waterproof covering.Provide means for air (12.7 mm)and 5/8"(15.9 mm)DensDeck Roof Board may also be used in vertical circulation around and under stored bundles of DensDeck Roof Board.DensDeck Roof applications as a backer board or liner for the roof side of parapet walls. Board must be covered the same day as installed. Some membrane manufacturers have hot mop asphalt or torch applications directly Avoid application of DensDeck Roof Boards during rain,heavy fog and any other to DensDeck Roof Board without using a primer or base sheet.Consult with the conditions that may deposit moisture on the surface,and avoid the overuse of system manufacturer for their recommendations with this application.DensDeck non-vented,direct-fired heaters during winter months.When roofing systems are Roof Board is the preferred substrate for vapor retarders. installed on new poured concrete or light weight concrete decks or when re-roofing over an existing concrete deck,a vapor barrier should be installed above the concrete Standards and Code Approvals to limit the migration of water from the concrete into the roof assembly.Always DensDeck Roof Boards are manufactured to meet ASTM C1177 and have the consult the roofing system manufacturer or design authority for specific instructions following approvals: for applying other products to DensDeck Roof Boards. •Florida Product Approved Moisture vapor movement by convection must be eliminated,and the flow of water •Miami-Dade County,Product Control Approved by gravity through imperfections in the roof system must be controlled.After a leak Recommendations and Limitations has occurred,no condensation on the upper surface of the system should be tolerated, DensDeck Roof Boards are manufactured to act with a properly designed roof system and the water introduced by the leak must be dissipated to the building interior in a following good roofing practices.The actual use of DensDeck Roof Board as a roofing minimum amount of time. component in any system or assembly is the responsibility of the roofing system's Although DensDeck Roof Boards are engineered with fiberglass facings and high density design authority.Consult with the appropriate system manufacturer and/or design gypsum cores,the presence of free moisture can have a detrimental effect on the authority for system and assembly specifications and instructions on applying other performance of the product and the installation of roofing membranes.For example, products to DensDeck Roof Board.Georgia-Pacific does not warrant and is not hot asphalt applications can blister;torched modified bitumen may not properly bond; responsible for any systems or assemblies utilizing DensDeck Roof Board or any and adhesives for single ply membranes may not dry properly.Moisture accumulation component in such systems or assemblies other than DensDeck Roof Board. may also significantly decrease wind uplift and vertical pull resistance in the system or The need for a separator sheet between the DensDeck Roof Board and the roofing assembly.DensDeck Roof Boards containing excessive free moisture content may membrane must be determined by the roof membrane manufacturer or roofing need to be evaluated for structural stability to assure wind uplift performance. system designer. Submittal Job Name continued—> Approvals Contractor Date RECEIVED 872m$zies Stamps I Signet wps BUILDING DEPARTMENT Georgia-Pacific DensDeck® Technical Service Hotline 1.800.225.6119 or Roof Board www.densdeck.com Fire Resistance Classifications UL Fire Resistance Ratings. 5/8"(15.9 mm)DensDeck Fireguard Roof Boards are DensDeck®Roof Boards are excellent fire barriers over combustible and noncombustible designated as Type DD by UL and included in assembly designs investigated by UL roof decks,including steel decks. for hourly fire resistance ratings.5/8"(15.9 mm)DensDeck Fireguard Roof Boards may UL 790 Classification. DensDeck Roof Boards have been classified by Underwriters also replace any unclassified 5/8"(15.9 mm)gypsum board in an assembly in the UL Laboratories(UL)for use as a fire barrier over combustible and noncombustible decks Fire Resistance Directory under the prefix"P". in accordance with the ANSI/UL 790 test standard.The UL classification includes a Flame Spread and Smoke Developed. When tested in accordance with ASTM E84, comprehensive Class A,B or C rating.For additional information concerning the UL 790 DensDeck Roof Boards had Flame Spread 0,Smoke Developed 0. classification,consult the UL Certification Directory. Wind Uplift UL 1256 Classification. DensDeck Roof Boards have also been classified by UL in roof DensDeck Roof Boards are included in numerous assemblies evaluated by FM or other deck constructions for internal(under deck)fire exposure in accordance with the independent laboratories for wind uplift performance.For information concerning such ANSI/UL 1256 Steiner Tunnel test.For additional information concerning the UL 1256 assemblies,please visit www.roofnay.com. classification,consult the UL Certification Directory. Handling and Use-CAUTION FM Class 1 Approvals. DensDeck Roof Boards are included in numerous roofing This product contains fiberglass facings which may cause skin irritation.Dust and assemblies with a Factory Mutual(FM)Class 1 fire rating.1/4"(6.4 mm)DensDeck fibers produced during the handling and installation of the product may cause skin, Roof Boards have passed testing under the FM Calorimeter Standard 4450 and have eye and respiratory tract irritation.Avoid breathing dust and minimize contact with been approved by FM as such for insulated steel deck roofs when installed according skin and eyes.Wear long sleeve shirts,long pants and eye protection.Always to the conditions identified by FM.For more information concerning FM Approvals and maintain adequate ventilation.Use a dust mask or NIOSH/MSHA approved FM Class 1 assemblies with DensDeck Roof Boards,consult FM or RoofNav®. respirator as appropriate in dusty or poorly ventilated areas. Type X. 5/8"(15.9 mm)DensDeck®Fireguard®Roof Boards are manufactured to meet the"Type X"requirements of ASTM C1177 for increased fire resistance beyond regular gypsum board. Physical Properties Properties 1/4"(6.4 mm) 1/2"(12.7 mm) 5/8"(15.9 mm) Thickness,nominal 1/4"(6.4 mm) 1/16"(1.6 mm) 1/2"(12.7 mm) 1/32"(.8 mm) 5/8"(15.9 mm) 1/32"(.8 mm) Width,standard 4'(1219 mm) 1/8"(3 mm) 4'(1219 mm) 1/8"(3 mm) 4'(1219 mm) 1/8"(3 mm) Length,standard 8'(2438 mm) 1/4"(6.4 mm) 8'(2438 mm) 1/4"(6.4 mm) 8'(2438 mm) 1/4"(6.4 mm) Weight,nominal,lbs./sq.ft.(Kg/m2) 1.2(5.9) 2.0(9.8) 2.5(12.2) Surfacing Fiberglass mat Fiberglass mat Fiberglass mat Flexural Strength',parallel,lbf.min.(N) a40(178) a80(356) a100(444) Flute Spanability2 2-5/8"(67 mm) 5"(127 mm) 8"(203 mm) Permeance3,Perms(ng/Pa•S•m2) >50(2850) >35(1995) >32(1824) R Value°,ft2•°F•hr/BTU(m2•K/W) .28 .56 .67 Linear Variation with Change in Temp., in/in°F(mm/mm/C°) 8.5 x 10-6(15.3 x 10-6) 8.5 x 10-6(15.3 x 10-6) 8.5 x 10-6(15.3 x 10-6) Linear Variation with Change in Moisture 6.25 x 10-6 6.25 x 10-6 6.25 x 10-6 Water Absorptions,%max <10 <10 <10 Compressive Strength6,psi nominal 900 900 900 Surface Water Absorption,grams,nominal <2.5 <2.5 <2.5 Flame Spread,Smoke Developed(ASTM E84) 0/0 0/0 0/0 Bending Radius 5'(1524 mm) 8'(2438 mm) 12'(3658 mm) 1.Tested in accordance with ASTM C473 method B. 4.Tested in accordance with ASTM C518(heat flow meter). 2.Tested in accordance with ASTM E661. 5.Tested in accordance with ASTM C1177. 3.Tested in accordance with ASTM E96(dry cup method). 6.Tested in accordance with ASTM C473. TRADEMARKS DENSDECK,FIREGUARD and the GEORGIA-PACIFIC logo are trademarks owned by GP Georgia-Pacific or licensed to Georgia-Pacific Gypsum LLC.ROOFNAV is a registered mark of FM Global. Gypsum WARRANTIES,REMEDIES AND TERMS OF SALE For current warranty information for this product,please go to www.gpgypsum.com and select the product for warranty information.All sales of this product by Georgia-Pacific are subject to our Terms of Sale available at www.gpgypsum.com. U.S.A. Georgia-Pacific Gypsum LLC UPDATES AND CURRENT INFORMATION The information in this document maychange without Georgia-Pacific Gypsum II LLC g Canada Georgia-Pacific Canada LP notice.Visit our website at www.gpgypsum.com for updates and current information. SALES INFORMATION AND ORDER PLACEMENT CAUTION For product fire,safety and use information,go to www.buildgp.com/safetyinfo U.S.A. West: 1-800-824-7503 or call 1-800-225-6119. Midwest: 1-800-876-4746 FIRE SAFETY CAUTION Passing a fire test in a controlled laboratory setting and/or certifying or South Central: 1-800-231-6060 labeling a product as having a one-hour,two-hour,or any other fire resistance or protection rating Southeast: 1-800-327-2344 and,therefore,as acceptable for use in certain fire rated assemblies/systems,does not mean that Northeast: 1-800-947-4497 either a particular assembly/system incorporating the product,or any given piece of the product CANADA Canada Toll Free:1-800-387-6823 itself,will necessarily provide one-hour fire resistance,two-hour fire resistafvED Quebec Toll Free:1-800-361-0486 specified fire resistance or protection in an actual fire.In the event of an act gra �TECHNICAL INFORMATION immediately take any and all actions necessary for your safety and the safet or ' U.S.A.and Canada:1-800-225-6119,www.gpgypsum.com regard for any fire rating of any product or assembly/system. B y 8 ©2015 Georgia-Pacific Gypsum LLC.All rights reserved.5/15.GP-TM Lit.Item#101516. !- ASPEN BUILDING DEPARTMENT