OUTER LAYER: 1 layer of USG Sheetrock® Firecode Type X, 15.9 mm
SECOND LAYER: 1 layer of USG Sheetrock® regular 12.7 mm
INNER LAYER: Two layers of USG Sheetrock® Firecode type X, 15.9 mm thick.
STEEL STUD: Two 90.5x36x0.9 mm spaced at 600 O.C.
TOP TRACK: Two 92x50x0.90 mm, or up to two 92x90x0.9 mm thick
BOTTOM TRACK: Two 92x30x 0.9 mm
INSULATION: Two Layers of 75 mm thick Glass Wool insulation (24 kg/m3), One Layer 50 mm thick Stone Wool insulation (40 kg/m3)
BRACING: 92 mm track + Acoustic V-brace 200 mm from top spaced at 1200 mm(min.), 1800 mm(max.) O.C.
JOINT COMPOUND: Sheetrock® Brand All-Purpose Joint Compound or Premium Premix Joint Compound
ACOUSTICAL SEALANT: USG ME Brand Acoustical Sealant
TAPES: USG Sheetrock® Brand Paper Tape
SCREWS: First layer: 4.2 x 32 mm Screw, Bugle Head – Self Drilling, Second Layer: 4.2 x 45 mm Screw, Bugle Head – Self Drilling, Third Layer: 4.2 x 65 mm Screw, Bugle Head – Self Drilling, Forth Layer: 4.2 x 75 mm Screw, Bugle Head – Self Drilling