USG Securock™ Brand Gypsum-Concrete Patch

Exceptional strength, excellent fire performance and the versatility to patch many decks such as gypsum roof decks.

Formerly known as Pyrofill® Gypsum Concrete, USG Securock™ Brand Gypsum-Concrete Patch is a high-performing patch solution that delivers a professional finish on a variety of poured roof decks.

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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features and benefits

USG Securock™ Brand Gypsum-Concrete Patch is impressively durable, with more than 500 psi of compressive strength, while its fast-setting properties enable foot traffic and fasteners within 4 hours of application.

  • Easy application to patch many different types of roof decks such as gypsum roof decks.
  • Mill-formulated and composed of specially calcined gypsum and wood chips or shavings.
  • Provides excellent fire performance — non-combustible in accordance with ASTM E136, and it's fire rated and approved for use in UL Roof Deck Systems (P676, P503, P207, P229, P505, P507)
  • Manufactured to conform to ASTM C317, "Standard Specification for Gypsum Concrete"

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