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SPECIFICATIONS I FIG.3:HEAD-OF-WALL JOIN - GYPSUM WALLBOARD WALL TO CONCRETE FLOOR The fire protective sealant shall be a water- Assembly based, non-halogenated, elastomeric and shall contain no solvents, inorganic fibers, J nor asbestos. The sealant shall dry to form Elastomedc _ r1 a flexible, moisture resistant seal and shall Sealant rl�� adhere 10 all common construction surfaces. • The sealant shall have demonstrated sound attentuation properties.The approved sealant s Gypsum desshall be SpecSealw Elastomeric Sealant. n Wallboard SPECIFIED DIVISIONS 1' Assembly DIV.7-0784 00 Firestopping UL System No.HW-D0079 DIV.7—078443 Fire Resistant Joint Sealants Assembly Rating-1 8,2 Hr•Movement Capabilities:25%Compress. Nominal Joint Width:3t4 •Forming Material:In 1 hr walls,apply bond breaker tape to ceiling track. INSTRUCTIONS Sealant Depth:6/6-depth on both sides. GENERAL:Areas to he protected must be clean and free of oil,loose dirt rust or scale. Recommended jPic.4:HEAD-OF-WALL JOINT-GYPSUM WALLBOARD WALL CUT TO FIT CONTOURS OF STEEL DECK storage and applicationtemperatures range between 40°F(4°O)and 95°F(35°C). When applying product Steel Deck at the lower end of the temperature range,warming Assembly • the material to 70°F (21°C)will enhance drying Elastomeric --- characteristics. Drying time will vary according Sealant to prevailing temperature and humidity. Allow to thoroughly dry before exposure to moisture. Consult appropriate manufacturer's drawing for • o Gypsum system design requirements. Forming or packing Wallboard materials may be required as an integral part of Assembly various system designs.See Table B for estimation information. Backer Rod Sealant is auto-bonding and may be applied in UL System No.HWo-0103 stages. DO NOT ATTEMPT TO THIN PRODUCT Assembly Rating-182Hr•MovenentCepabiliiies:25%Compress. BY ADDING WATER. Nominal Joint Width:3/4"•Forming Matedal:In 1 hr walls,apply band breaker tape to ceiling track. Sealant Depth:1/2"depth on both sides. THIS PRODUCT IS DESIGNED FOR PROFESSIONAL INSTALLATION ONLY. This FIG.5:HEAD-OF-WALL JOINT-GYPSUM WALLBOARD WALL TO CONCRETE OVER STEEL sealant is designed to contract while drying,Proper DECK pint design is critical to sealant performance.Avoid Steel Deck three point adhesion through the use of appropriate Assembly backing or bond-breaking materials. _ - See Figure 2 for recommended joint designs, Elastomerc Q Consult ASTM C1193 Standard Guide for Use of Sealant - '—i Joint Sealants for additional guidelines concerning amproper appacatlon of sealant materials. f Gypsum, al ad Assembly Inspection: Installations should be inspected Mineral periodically for subsequent damage. Following Wool safety precautions listed in Precautionary Information UL System No.NW-D-0034 Assembly Rating-18 2 Hr•Movement CapabIiUes:25%CompresslEmend. and pertinent installation guidelines,remove coating Nominal Joint Width:1"•Forming Material:Nom 4 pet mineral wool to lull depth. Sealant Depth:12"depth on both sides. in damaged areas down to undamaged material. �y Reapply fresh coating material to original coating thickness. _Y 2 STI Maid Data Sheet• ES Elostamerir Sealant • F00-5032 2506 Technical Service 1-800-992-1180 www.sufirestop.com STI.