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Item: 221720

Sheetrock® Brand Glass-Mat Panels Mold Tough®

High performance interior glass-mat panels engineered to be resistant to moisture and mould. Perfect for interior pre-dry-in (aka "pre-rock") applications, or areas with extended moisture exposure.

Available Product Options

Thickness: 1/2 inch

Width: 48 inch

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High-Performance Interior Wall Glass-Mat Panels with moisture and mould resistance
12.7 mm (1/2'') Sheetrock® Brand Glass-Mat Panels Mold Tough® are high-performance interior glass-mat panels for new construction or renovation work. The panels have a noncombustible moisture and mould-resistant core encased in a moisture-resistant fiberglass mat that sheds water and features tapered long edges for easy finishing. The facer mat is colored to match traditional drywall and is engineered to accept the application of CGC Sheetrock® and Synko® Brand finishing systems. The back mat features CGC's distinctive green color.

Main Features

12.7 mm (1/2'') Sheetrock® Brand Glass-Mat Panels Mold Tough® are high-performance glass-mat interior wall panels with moisture and mould resistance.
  • Suitable for use in pre dry-in (aka "pre-rock") and similar applications of wallboard before the building envelope is fully enclosed
  • For use in interior applications where glass-mat gypsum panels are desired
  • Feature an inorganic fiberglass face and back
  • Can be used in protected exterior soffit applications
  • Score and snap easily for quick installation
  • Install and finish similar to standard drywall


Submittal Sheet PDF 231.2 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 Class A
  • ASTM E84
    • Flame Spread 0
    • Fire Rating Class A
  • ASTM Classification ASTM C1177; ASTM C1396; ASTM C1658; ASTM E84
    • Flame Spread 0
    • Fire Rating Class A


  • 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.) 1/2
  • Edge Tapered Edge
  • Panel Size 48" x 6-12'

Documents & Files

Submittal Sheets & Specifications

Submittal Sheet (English) PDF 231.2 KB

White Papers

White Paper (English) PDF 173.6 KB

Installation & Technical Manuals

Installation Guide (English) PDF 182.3 KB

SDS, Certifications & Reports

SDS (English) PDF 29.5 KB


EPD (English) PDF 682.4 KB

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