Georgia-Pacific ToughRock Gypsum Board Drywall
Georgia-Pacific ToughRock Drywall Gypsum Board
Special Application Sheathing Panels
toughrock drywall boards
  • Popular for remodeling projects, can be used to cover existing surfaces, behind paneling, or for certain double-layer applications.
  • Available as 1/4″ and 3/8″ panels
  • Dimensionally stable, noncombustible (as described and tested in accordance with ASTM E136) gypsum core
  • Designed for direct attachment (screws, nails or adhesive) to wood and metal framing or existing surfaces
  • May also be used as a covering material for flat or curved structures
A versatile drywall product for new building construction or renovation.

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.

Versatility

Available in multiple sizes – 1/4″ and 3/8″

Special Application

Specially designed as a covering material for flat or curved structures

SPECS

Physical Properties – 1/4" ToughRock® Gypsum Board
Thickness

nominal inches: 1/4″ (6.4 mm), ± 1/64” (0.4 mm)

Width

nominal: 4′ (1220 mm), ± 3/32″ (2.4 mm)

Length

standard: 8′ (2440 mm) to 12′ (3658 mm) ± 1/4″ (6.4 mm)

Weight

lbs/sq. ft. nominal (kg/m²): 1.2 (5.0)1

R Value

°F•ft2•hr/BTU (m2•K/W): 0.22 est. (0.04)2

Physical Properties – 3/8" ToughRock® Gypsum Board
Thickness

1/2″ (12.7 mm), ± 1/64” (0.4 mm)

Width

4’ (1220 mm), ± 3/32” (2.4 mm); 54” (1372 mm), ± 3/32” (2.4 mm)

Length

standard: 8′ (2440 mm) to 12′ (3658 mm) ± 1/4″ (6.4 mm)

Weight

lbs/sq. ft. nominal (kg/m²): 1.4 (6.8)1

R Value

°F•ft2•hr/BTU (m2•K/W): 0.33 est. (0.06)2

Warranty / Certifications
GREENGUARD Gold Certification

Products Resources

Submittals
Warranties
Tech Guides
Safety Data Sheets
Installation

Product FAQs

Should gypsum board be installed vertically or horizontally?
Answer

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.

What should we do if the gypsum board gets wet?
How often is a control joint required?

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