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Gypsum Boards and Drywall / Interior Products / ToughRock® Fireguard X® and Fireguard C® Gypsum Boards

ToughRock® Fireguard X® and Fireguard C® Gypsum Boards

ToughRock Fireguard X® Gypsum Board is a 5/8" board and is UL classified Type X. ToughRock® Fireguard C® Gypsum Board, 1/2" and 5/8", are UL classified Type TG-C and ULC classified Type C.

Both types can be used in a variety of fire-rated wood and steel-framed assemblies.
Search the assemblies library for details.


  • Noncombustible, as described and tested in accordance with ASTM E136, dimensionally stable gypsum cores
  • Reinforced with glass fibers, increasing strength and resistance to heat passage
  • Designed for direct mechanical attachment to wood or metal framing
  • These products have achieved GREENGUARD and GREENGUARD GOLD Certification. GREENGUARD Certified products are certified to GREENGUARD standards for low Volatile Organic Compound (VOC) emissions into indoor air during product usage.


  • Interior drywall for wall and ceiling construction
  • Assemblies with a designated fire-resistant rating




Safety & Sustainability

For important product fire, safety, and use information, go to

Frequently Asked Questions

What to do when gypsum board gets wet? How often is a control join required? Get these answers and others here.

More ToughRock Fire-Resistant Boards All ToughRock Categories

* For additional information concerning fire ratings, go to

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