ToughRock MH gypsum wallboard has a noncombustible (as described and tested in accordance with ASTM E 136), dimensionally stable, gypsum core. The surfacings on both faces and on the long edges are 100% recycled paper. The front face (side to be finished) and the long edges are an ivory color; the back face paper is gray. The ends are square cut.
ToughRock MH gypsum wallboard is manufactured with a white paper surface designed to receive joint treatment then paint, wall covering, textured coatings or other finish treatment.
Manufactured Housing Board Dimensions Edge Standards
TH W L TE S RE B T&G DB ASTM FEDERAL CSA
ToughRock MH Gypsum Wallboard For interior walls and ceilings in manufactured housing. Level of sound resistance depends on product thickness and assembly constructions. 1/4" 3/8" 1/2" 4' 4' 4' 8' to 12' 8' to 12' 8' to 12' C 36 C 1396 SS-L-30d Type III Grade R A82.27 M