FIRESTOP JOINT SPRAY. PROVIDE MINIMUM 1/2" OVERLAP ONTO GYPSUM BOARD AND METAL DECKING BOTH SIDES OF WALL 4 PCF DENSITY MINERAL WOOL INSULATION COMPRESSED 50 PERCENT, TYPICAL SLOTTED METAL DEFLECTION TRACK. GAUGE TO MATCH GAUGE OF WALL STUD. FASTEN TO DECK WITH POWDER-DRIVEN FASTENERS AT COMPOSITE DECK AND SHEET METAL SCREWS AT STEEL ROOF DECK. ADDITIONAL LAYER OF GYPSUM BOARD EACH SIDE TO ACHIEVE TWO HOUR RATING. REFER TO PARTITION TYPES INDICATED ON FLOOR PLANS PERPENDICULAR TO STEEL DECK FLUTES: AT BOTTOM OF FLUTES AT METAL STUD WALL AND STEEL DECK - UL DESIGNS (HW-D-0538, HW-D-0604) A 64 A9.2.4 SIM ATTACH GYPSUM BOARD TO METAL STUDS ONLY. DO NOT ATTACH TO DEFLECTION TRACK. PARTITION TYPE AS INDICATED ON THE FLOOR PLANS COMPOSITE FLOOR DECK OR STEEL ROOF DECK. REFER TO STRUCTURAL DRAWINGS. 1 1/2" 1"
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