• 5/8 in. x 4 ft. x 10 ft.
• 5/8″ Fire Rated 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 assemblies1
• Reduces noise more effectively than ½” standard or lightweight drywall

Noncombustible (as described and tested in accordance with ASTM E136) This board is designed for use in interior drywall applications for wall and ceiling construction in assemblies with a designated fire-resistant rating.1 Its dimensionally stable gypsum core is reinforced with glass fibers, increasing its strength and fire resistance. 5/8″ (15.9 mm). UL-classified Type X and has a flame-spread rating of 15 and smoke developed 0 when tested in accordance with ASTM E84.