USG Sheetrock® Brand Gypsum Base Imperial®, Firecode® C

A large size, rigid base for fire-rated gypsum veneer plaster systems.

USG Imperial® Gypsum Base, Firecode® C panels are designed for direct or resilient attachments to wood and steel framing.

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 Imperial® Gypsum Base, Firecode® C combines the advantages of regular USG Imperial® Gypsum Base with additional resistance to fire when used as a component in a fire-related assembly. USG Imperial® Gypsum Base, Firecode® C, is 5/8-inch thick and provides Type X fire-resistance performance.

  • Large enough to be installed like drywall
  • Rigid base for the economical application of veneer plasters
  • Distinctive blue face paper specifically designed for veneer plaster applications
  • 4-feet wide and 5/8-inch thick — available in lengths from 8- to 14-feet
  • UL-Classified (Type IP-X1) for use in UL fire-resistant system

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