Item: 221800

Sheetrock® Brand Glass-Mat Liner Panels Mold Tough®

High-performance glass-mat panels with moisture and mold resistance for use in USG shaft wall and area separation wall systems.

Key Documents & Design Files

Available Product Options

Thickness: 1 inch


High-performance moisture and mould-resistant glass-mat liner panels. Sheetrock® Brand Glass-Mat Liner Panels Mold Tough® are designed and tested for use with the Cavity Shaft Wall and Area Separation Wall Systems. The liner panels come with a 12-month exposure warranty. Product substitutions are not recommended or supported by CGC.

Main Features

Sheetrock® Brand Glass-Mat Liner Panels Mold Tough® are 1" x 24" panels featuring double-beveled edges that allow for easy installation. They are available in 8', 10' and 12' standard lengths. Other lengths available by special order.
  • High resistance to mould and mildew.
  • Glass-mat sheathing facer on both sides sheds water.
  • ULC listed and cUL classified as to fire resistance (Type SLX), surface burning characteristics and noncombustibility.
  • Comprehensive product and system testing ensures long-term performance and safety


  • Multi-Family Residential and Condos
  • Stairways and Elevator Shafts


Submittal Sheet PDF 758 KB


  • Anti Mold & Mildew Resistance Yes
  • Fire Resistance
    • Fire Rating Firecode
  • Thermal Resistance No
  • ASTM Classification ASTM C1177; ASTM C1396; ASTM D3273-10


  • GREENGUARD Certification Yes

Physical Data

  • Thickness (in.) 1
  • Edge Beveled Edge
  • Panel Size 24" x 8-14'


  • Warranty

Documents & Files

Submittal Sheets & Specifications

White Papers

Catalogs & Brochures

SDS, Certifications & Reports