ToughRock® 1/4″ and 3/8″ Gypsum Board is a wall or ceiling covering material for use in new building construction or renovation work. It is designed for direct attachment (screws, nails or adhesive) to wood and metal framing or existing surfaces. It may also be used as a covering material for flat or curved structures. The facing material may be formed to a curve with a short radius. Manufactured to meet ASTM C1396 Section 5, ToughRock 1/4″ and 3/8″ Gypsum Board have a flame spread rating of 15 and smoke developed 0, when tested in accordance with ASTM E84. The core is noncombustible when tested in accordance with ASTM E136.
Available in multiple sizes – 1/4″ and 3/8″
Specially designed as a covering material for flat or curved structures
nominal inches: 1/4″ (6.4 mm), ± 1/64” (0.4 mm)
nominal: 4′ (1220 mm), ± 3/32″ (2.4 mm)
standard: 8′ (2440 mm) to 12′ (3658 mm) ± 1/4″ (6.4 mm)
lbs/sq. ft. nominal (kg/m²): 1.2 (5.0)1
°F•ft2•hr/BTU (m2•K/W): 0.22 est. (0.04)2
1/2″ (12.7 mm), ± 1/64” (0.4 mm)
4’ (1220 mm), ± 3/32” (2.4 mm); 54” (1372 mm), ± 3/32” (2.4 mm)
standard: 8′ (2440 mm) to 12′ (3658 mm) ± 1/4″ (6.4 mm)
lbs/sq. ft. nominal (kg/m²): 1.4 (6.8)1
°F•ft2•hr/BTU (m2•K/W): 0.33 est. (0.06)2
While gypsum boards are stronger in one direction, they may be installed either vertically or horizontally on both wood and steel studs. If the boards are to be used in a fire rated assembly, then use the board orientation that is stated in your specific rated assembly.
