Item: 183300

Sheetrock® Brand Gypsum Base Imperial®, Firecode® C

1/2 inch Type C rigid base for fire-rated veneer plaster systems.

Available Product Options

Thickness: 1/2 inch


A large size, rigid base for fire-rated gypsum veneer plaster systems.Sheetrock® Brand Gypsum Base Imperial®, Firecode® C panels are designed for direct or resilient attachments to wood and steel framing.

Main Features

Sheetrock® Brand Gypsum Base Imperial®, Firecode® C combines the advantages of regular Sheetrock® Brand Gypsum Base Imperial® with additional resistance to fire when used as a component in a fire-related assembly. Sheetrock® Brand Gypsum Base Imperial®, Firecode® C, is 1/2 inch thick and provides Type C 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 1/2-inch thick — available in lengths from 8- to 14-feet
  • UL-Classified (Type IP-X1) for use in UL fire-resistant system


Submittal Sheet PDF 717 KB


  • Anti Mold & Mildew Resistance No
  • Fire Resistance
    • Fire Rating Firecode
  • Thermal Resistance No


  • GREENGUARD Certification Yes

Physical Data

  • Thickness (in.) 1/2
  • Edge Tapered Edge
  • Panel Size 48" x 8-12'

Documents & Files

Submittal Sheets & Specifications

White Papers

Catalogs & Brochures

Installation & Technical Manuals

SDS, Certifications & Reports