ToughRock® 1/4" and 3/8" Gypsum Board
- Standard regular drywall panel ideal for renovation projects, including wall and ceiling repair, and curved surfaced applications where a 1-hour fire rating is not required.
- Standard gypsum core for general-purpose use with naturally occurring fire resistance from gypsum core (21% water).
Product Detail
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. This gypsum board excels in creating curved surfaces and offers easy scoring, snapping, and installation, making it a top choice for pros. It delivers a safe and reliable solution for low-moisture interior environments. Its smooth surface accommodates a variety of decorative treatments, ensuring a professional finish.
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.
FEATURES AND BENEFITS
- Noncombustible Core: Meets ASTM E136 standards for superior fire safety.
- Low VOC Certified: GREENGUARD and GREENGUARD Gold Certified for low emissions, making it suitable for environmentally conscious projects.
- Versatile Applications: Provides a smooth surface for a variety of decorative treatments including paint, wall coverings, and textured coatings.
- Enhanced Durability: Manufactured with smooth-finished edges to ensure easy installation and tight-fitting joints.
- Simple Installation: Easy to handle, score, snap and install, for precise fitting due to the panel’s manageable design.
Product Specifications
PHYSICAL PROPERTIES
PERFORMANCE ATTRIBUTES
| R Value | ft2•°F•hr/BTU (m2•K/W): 0.22 est. (0.04)2 |
| Humidified Deflection | Not applicable3 |
| ASTM Type | ASTM C1396; ASTM C1629; ASTM C473; ASTM E136; ASTM E84 |
| Flame Spread & Smoke Development | 15 & 0 (product dependent) |
| Mold Resistance (only include for Dens® and MMR products) | No (10/10) |
| Water Absorption for Dens® and MMR products | 5% |
PHYSICAL PROPERTIES
| Length | standard: 8′ (2440 mm) to 12′ (3658 mm) ± 1/4″ (6.4 mm) |
| Width | nominal: 4′ (1220 mm), ± 3/32( (2.4 mm) |
| Thickness | nominal inches: 1/4″ (6.4 mm), ± 1/64( (0.4 mm) |
| Weight | lbs./sq. ft., nominal (kg/m²): 1.2 (5.0)1 |
| Edge | Tapered and square edge |
PERFORMANCE ATTRIBUTES
| R Value | ft2•°F•hr/BTU (m2•K/W): 0.33 (0.06)2 |
| Humidified Deflection | 15/8″ (45 mm)3 |
| ASTM Type | ASTM C1396; ASTM C1629; ASTM C473; ASTM E136; ASTM E84 |
| Flame Spread & Smoke Development | 15 & 0 (product dependent) |
| Mold Resistance (only include for Dens® and MMR products) | No (10/10) |
| Water Absorption for Dens® and MMR products | 5% |
PHYSICAL PROPERTIES
| Length | standard: 8′ (2440 mm) to 12′ (3658 mm) ± 1/4″ (6.4 mm) |
| Width | nominal: 4′ (1220 mm), ± 3/32″ (2.4 mm) |
| Thickness | nominal inches: 3/8′ (9.5 mm), ± 1/64′ (0.4 mm) |
| Weight | lbs./sq. ft., nominal (kg/m²): 1.4 (6.8) |
| Edge | Tapered and square edge |
CERTIFICATIONS
1 Represents approximate weight for design and shipping purposes. Actual weight may vary depending on manufacturing location and other factors.
2 Per Gypsum Association document GA-235.
3 Specified minimum values are as defined in ASTM C1396.
Consumer Product Safety Act (CPSA) – For CPSA General Certificate of Conformity, please click here.
Resources
FAQs
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.