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� �BXUV.L514 -Fire Resistance Ratings -ANSWL 263 Page 3 of 11 <br /> ; . <br /> ' ' joists with joints staggered. � <br /> � Floor Mat Materials* (Optional)—Floor mat material nom 0.4 in. thick loose laid <br /> � over the subfloor. Floor topping thickness a min 1 in. over the floor mat. <br /> UNITED STATES GYPSUM CO—Type USG Sound Mat <br /> � <br /> � System No.4. <br /> Finish Flooring�—Floor Topping Mizture*—8 gal max water to 801bs min of <br /> topping mixture�to 2201bs max of sand. Compressive strength to be 1500 psi min. <br /> Thickness to be 3/4 in. min. <br /> UNITED STATiES GYPSUM CO—Levekock 2500, Levelrock RH <br /> ' Vapor Barrier—(Optional)—Commercial asphalt saturated felt, 0.030 in. thick. <br /> � Subflooring— 15/32 in. thick wood structural panels,min grade "C-D" or <br /> , "Sheathing". Face grain of plywood or strength axis of panels to be perpendicular to <br /> ; joists with joints�staggered. <br /> Floor Mat Mat I rials* (Optional)—Floor mat material nom 0.4 in. thick loose laid <br /> ' over the subfloor. Floor topping thickness a min 1 in. over the floor mat. <br /> � - <br /> UNITED STATES GYPSUM CO—Type USG Sound Mat <br /> System No. 5 <br /> ;; Finish Flooring—Floor Topping Mixture*—6.8 gal of water to 801b of floor <br /> ;� topping mixture to 1.9 cu ft of sand. Compressive strength to be 1100 psi min. <br /> � Thickness to be 3/4 in. min. <br /> � HACKER INDUSTRIES INC—Firm-Fill, Firm-Fi112010,Firm-Fill High <br /> Strength, Gyp-Span Radiant. <br /> 'i • <br /> Floor Mat Materials*—(Optional)—Floor mat material nom 1/4 in. thick <br /> adhered to subfloor with Hacker Floor Primer. Primer to be applied to the surface of <br /> the mat prior to the placement of a min 1-1/2 in. of floor-topping mixture. <br /> � <br /> . HACKER INDUSTRIES INC—Type Sound-Mat. <br /> - Subflooring— 19/32 in. thick wood structural panels,min grade "C-D" or <br /> ; - "Sheathing". Face grain of plywood or strength axis of panels to be perpendicular to <br /> joists with joints staggered. <br /> http://database.ul.com/cgi-b'i�XYV/template/LISEXT/1 FRAME/showpage.hhnl?name=BXU... 4/19/02 <br /> i <br />