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L <br /> EXTERIOR WALLS <br /> GA FILE NO. WP 8105 GENERIC 1 HOUR <br /> GYPSUM WALLBOARD,GYPSUM SHEATHING,WOOD STUDS FIRE <br /> EXTERIOR 4 R d Onelayerh 1 wide alv"type X gypsum sheathing applied parallel to <br /> 2 x 4 woodRI studs:24"eala wilayer <br /> 1 3/4"galvanized/8"type <br /> roofing nm he"hin.at plied l pjoints and <br /> P do at intermediate studs and top and bottom plates Joints of gypsum sheathing <br /> may be left utreated.Extruder cladding to be attached through sheathing to studs. <br /> INTERIOR SIDE:One layer 5/8"type X gypsum wallboard,water-resistant gypsum <br /> backing board,or gypsum veneer base applied parallel or at right angles to studs with <br /> 6d coated nails 1 7/8"long,0.0915'shank,1/4"heads 7'o.c.(LOAD-BEARING) <br /> 411, Thickness'. Varies <br /> Approx.Weight: ]psf <br /> Fire Test: See WP 3510 <br /> (UL R3501-47,48,9-17-65, <br /> UL Design U309; <br /> UL R1319-129,1-22-70. <br /> UL Design U314) <br />