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HomeMy WebLinkAboutFile Documents.105 Exhibition Ln.0008-2024-BROF (5) MetShield® High-Temp DrexelVietals = Roofing Systems+Custom Fabrication . High-Temperature Features and Benefits Underlayment Applications • Protects the roof structure from water seepage caused by ice dams and wi nd-driven rains • Resists temperatures up to 250°F without degradation of the adhesive • '� E •Seals around roofing nails, staples and screws tilip" y',ci o 1 Weather • Bonds directly to the roof substrate for fast and easy Q,`a� installation without the need for additional adhesives Tightness ill _cam 'E` •Split-release film provides easier,faster installation _ F Warranty' .s` Approved! • Resists cracking, drying and rotting, providing long-term -,- - waterproofing performance and low lifecycle cost •Concealed waterproofing system will not detract from the 4PP o architectural aesthetics of the primary roofing system %e ♦ �1—�� ��%�� o f • Exposed rubberized asphalt bead along the membrane J��• _ e edge ensures watertightness of lap seams �"� �¢' F,_ a • Made in USA lib Standards � - • • UL Classified • ICC-ES ESR#2206 s. •2009 and 2012 International Building Code"" ' • Florida Building Code Approved Product • Meets ASTM D1970 MetShield 6, .. Storage ���a ai MetShield roofing underlayment rolls should be stored on High-Temp U n d e r l a y m e n t end, under cover and in areas where the temperature is between 40°and 100°F(4.4°and 38°C). Do not double- stack pallets. Best-in-class Metshield° ice and water Warranty underlayment protects the roof structure MetShield is backed by Drexel's industry-leading warranty. from water seepage caused by ice dams Visit our website for warranty details. and wind-driven rain. Designed specifically for high-temperature applications of metal Installation MetShield underlayment is applied when the roof deck roof installations, it will resist temperatures is dry and the substrate temperature is 40°F(4.4°C)or up to 250° without degradation of the higher. At temperatures below 40°F, nailing or priming adhesive, and self-seals around roofing should be used to temporarily hold the membrane in place while adhesion develops. MetShield is designed to be nails, screws and clips used to install the covered with the primary roofing system and should not be primary roofing system. This high-tensile exposed to sunlight for more than 120 days. strength underlayment is a 40 mil SBS modified bitumen with a UV-resistant anti-slip Moisture: Substrate must be free of any moisture. If polyethylene woven top facer and is required moisture is present, it may inhibit adhesion. under all Drexel Metals roof warranted New construction: Prepare the roof de systems. loose objects, dirt, dust and debris. E1VED Re-roofing: Remove all old materials from ili �rvo3 Oi L 0 2 4 in the area to be covered with MetShield un I t. ASPEN MetShield° High Temp Underlayment Replace water-damaged sheathing and sweep roof deck Limitations thoroughly. • MetShield should be installed when air, roof deck and membrane temperatures are at or above 40°F(4.4°C). Priming: Priming is not required on clean, dry wood, metal or most polyisocyanurate surfaces. Masonry and • MetShield should not be left exposed to sunlight for more exterior gypsum boards(such as DensDeck®)should be than 120 days. primed using an appropriate primer or adhesive. Some rigid • MetShield membrane should not be folded over the insulation boards with porous or dusty surfaces may require roof edge unless protected by a gutter or other flashing priming to promote initial adhesion. Priming is required materials. on all substrates when air or substrate temperatures are •The primary roof system must be ventilated to prevent below 40°F(4.4°C). Adhesives such as CCW-702, CCW- 702WB, CAV-GRIP°and CCW-AWP are approved for use excessive moisture build-up in the interior structure. with Drexel MetShield. Refer to your local building codes to • Use caution during the installation of the membrane as it determine acceptable product for use in your region. may become slippery when wet or covered with frost. Selection of roof deck or insulation substrate and/or use of • MetShield must not to be used in contact with flexible PVC material. a primer or adhesive are the responsibility of the architect, specifi er or roofing contractor to determine based on the • MetShield not approved for use in foam set tile roof assembly and environmental conditions. applications. Valleys,hips and ridges: Cut MetShield roofing Product Specifications underlayment into manageable lengths. Align over the center of the valley, hip or ridge. Remove release film. Physical Properties Press the middle of the membrane first before working Surface Black/White Engineered toward the edges. For open valleys, cover MetShield Polyolef in Composite roofing underlayment with metal valley liners. Film with Factory-applied Anti-skid Coating Eaves and rakes: Cut MetShield underlayment into 10-15' Membrane Rubberized Asphalt pieces. Remove 2-3' of release film and align the edge of the membrane, sticky side down, so it overhangs the drip Product Characteristic Units Results edge by 3/8"(10 mm). Continue to remove release film and Roll Length feet 66 press as you move across the roof. Use a hand roller and/ Roll Weight lbs 55 or hand pressure to press into place. Overlap end laps Roll Size sq/ft 198 a minimum of 6". MetShield roofing underlayment should Roll Width inches 36 reach a point 2' inside the interior wall line. Local codes may require additional courses. If additional courses are required,the top lap must be at least 3 1/2". Typical Performance Properties Test Method Results Thickness ASTM D1970 40 mils Drip edges: At the rake edge, apply MetShield Low Temperature Flexibility ASTM D1970 45°F underlayment first and place drip edge on top. At the eave, Adhesion to Plywood at 75°F ASTM D1970 35 lbs/ft apply drip edge first and place MetShield underlayment on Lap Seam Adhesion at 75°F ASTM D1970 21 lbs/ft top of the drip edge so that it overhangs drip edge by 3/8" Sealability Around Nail ASTM D1970 Pass (10 mm). For standard installation details,follow the Slip Resistance ASTM D1970 Pass MetShield detail drawings. For non-standard installation Thermal Stability ASTM D1970 Pass instructions, contact your local Drexel Metals representative. Moisture Vapor Permeance ASTM D1970 0.02 perms Water Absorption ASTM D1970 0.5% Metal roof underlayment: Under water-shedding metal Tensile Strength Machine Direction ASTM D412 250 psi roof systems or low-slope metal roofs with a minimum 1/2" Tensile Strength Transverse Direction ASTM D412 1390 psi slope, start at the low point and apply MetShield over the full Elongation at Break Machine Direction ASTM D412 250% surface of the roof deck.Review the metal roofing manufacturer's Elongation at Break Transverse Direction ASTM D412 170% instructions for limitations and precautions. Beginning at the eaves, apply underlayment from the low point to the high Packaging Information point of the roof, running the roll horizontally. Boxes(rolls)per pallet 25 DrexelVietals \ 1234 Gardiner Lane, Louisville, KY 40213 - - F 4L3 t Roofing Systems+Custom Fabrication ���� 888-321-9630 toll free • 502 690 6174 fax "`,_7IFrAR " VED www . drexelmetals . com 03/28/2024 ©2013 Drexel Metals,Inc.All rights reserved.MetShield®is a registered trademark of Drexel Metals,Inc.DensDeck°is a registered trademark of Georgia-Pacific.ENERGY STAR name and logo are registered U.S.marks and are owned by the U.S.government.CAV-GRIP is a trademark of Carlisle Coatings&Waterproofing Incorporated.Warranty statements mentioned are outlines:complete Limited Warranty information is available on request.No other warranty expressed or implied is applicable. ASPEN