ToughRock® Lite-Weight Fire-Rated Gypsum Board

This 5/8” (15.9 mm) panel is UL certified Type LWX for use in a variety of fire-rated wood and steel-framed assemblies, including some fire-rated ceiling assemblies.¹ No back blocking is required for fire-rated ceiling assemblies as with some 5/8″ lightweight products. ToughRock® Lite-Weight Fire-Rated Gypsum Board’s noncombustible (as described and tested in accordance with ASTM E136), dimensionally stable gypsum core has been reinforced with glass fibers, increasing its strength.

¹_{Consult UL Fire Resistance Directory for assembly information.}

_{*FIRE SAFETY CAUTION – Passing a fire test in a controlled laboratory setting and/or certifying or labeling a product as having a one-hour, two-hour, or any other fire resistance or protection rating and, therefore, as acceptable for use in certain fire rated assemblies/systems, does not mean that either a particular assembly/system incorporating the product, or any given piece of the product itself, will necessarily provide one-hour fire resistance, two-hour fire resistance, or any other specified fire resistance or protection in an actual fire. In the event of an actual fire, you should immediately take any and all actions necessary for your safety and the safety of others without regard for any fire rating of any product or assembly/system. For additional information concerning fire ratings and fire safety, visit our Product Fire, Safety and Use Information page.}