USG Securock® Brand Cement Roof Board

Designed to enhance the entire roofing system as a cover, fire and thermal barrier roof board as well as a parapet wall, these boards are high-performing and noncombustible.

As a cover board, USG Securock® Brand Cement Roof Board can be used with a variety of membranes and systems. It is also ideal for applications such as liquid-applied membranes and cold mastic modified bitumen. As a parapet, fire or thermal barrier roof board, USG Securock® Brand Cement Roof Board has an unlimited slope classification and is noncombustible.

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

Email USG Technical Support

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Frequently Asked Questions

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features and benefits

The lightest cement board in the industry, USG Securock® Brand Cement Roof Board is easy to handle, cut and fasten. Plus, because it is cement-based, it provides superior compressive strength, water durability and mold resistance and will not rot, warp, delaminate or disintegrate in the presence of water.

  • Ideal for use as a cover board in system applications such as liquid-applied membranes or as a parapet, fire, or thermal barrier roof board
  • Lightest cement board in the industry
  • Environmentally sustainable product — lower weight reduces embodied energy and embodied emissions
  • Water-durable, mold-resistant substrate
  • Will not rot, warp, delaminate or disintegrate
  • Easy to cut and fasten
  • Non combustible

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

Email USG Technical Support

Design & Specification
Assistance
Find your local architectural representative

Frequently Asked Questions