Noncombustible (as described and tested in accordance with ASTM E136) ToughRock® Fireguard X® Gypsum Board is designed for use in interior drywall applications for wall and ceiling construction in assemblies with a designated fire-resistant rating. Its dimensionally stable gypsum core is reinforced with glass fibers, increasing its strength and fire resistance. 5/8″ (15.9 mm) ToughRock Fireguard X is UL-classified Type X and has a flame-spread rating of 15 and smoke developed 0 when tested in accordance with ASTM E84.

Features

• 5/8″ ToughRock® Fireguard X® board is UL classified Type X
• Reinforced with the glass fibers to increase strength and fire resistance
• Used in a variety of fire-rated wood and steel-framed assemblies
• Reduces noise more effectively than ½” standard or lightweight drywall