Georgia-Pacific's ToughRock Fireguard C Gypsum Board is manufactured to meet ASTM C1396 Section 5. The 5/8 in. ToughRock Fireguard C is UL Type TG-C and ULC classified Type C.
- UL Type TG-C and ULC classified Type C
- Core has been reinforced with the addition of glass fibers
- Designed for attachment to wood or metal framing for use in building assemblies with a designated fire resistance rating
- High resistance to the passage of heat