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Item: 221800

Sheetrock® Brand Glass-Mat Liner Panels Mold Tough®

Type SLX glass-mat liner panels with superior moisture and mould-resistance. These panels come with a 12-month exposure warranty.

Key Documents & Design Files

Available Product Options

Thickness: 1 inch

Width: 24 inch

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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 USG 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 757.8 KB


  • Mould & Mildew Resistance
    Contains a broad-spectrum antimicrobial additive on the face and back of the panel that provides resistance against the growth of mold and mildew. Includes sag-resistance performance.
  • Fire Resistance
    • Fire Rating Firecode®
  • ASTM Classification ASTM C1177; ASTM C1396; ASTM D3273


  • GREENGUARD Certification
    GREENGUARD Certification helps consumers choose building materials with lower VOC (volatile organic compound) emissions, which improves indoor air quality.

Physical Data

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


  • Warranty

Documents & Files

Submittal Sheets & Specifications

Submittal Sheet (English) PDF 757.8 KB

White Papers

Sell Sheet (English) PDF 2.8 MB

Catalogs & Brochures

Brochure (English) PDF 18.6 MB

SDS, Certifications & Reports

SDS (English) PDF 29.4 KB


Warranties (English) PDF 178.0 KB


Product Attribute Report (English) PDF 105.8 KB

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