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Item: 221863

Durock™ Brand Glass-Mat Tile Backerboard

Water-resistant, easy to use panel for walls, floors, and ceilings.


*This product is currently available for limited distribution in select markets. Please contact your local USG sales representative for more details.
Durock™ Glass-Mat Tile Backerboard is a water-resistant, easy to use panel for walls, floors, and ceilings. Durock™ Glass-Mat Tile Backerboard consists of a treated water-resistant gypsum core that is covered with a coated fiberglass mat facer and back and has a proprietary surface making it ideal for use in wet areas as a tile substrate. Durock™ Glass-Mat Tile Backerboard combines the tile bond of cement board with the handling and ease of use of a Sheetrock® Brand panel.

Main Features

  • Lightweight and easy to score, snap and fasten
  • Moisture- and mold-resistant substrate
  • Scores the highest achievable rating (10 out of 10) for mold resistance according to ASTM D3273
  • Proprietary cementitious coating provides exceptional tile bond performance
  • 20-Year Limited Warranty


Submittal Sheet PDF 201.8 KB


  • Mold & 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 C1178

Physical Data

  • Thickness (in.) 1/2
  • Edge Square Edge
  • Panel Size 48" x 5-10'


USG Durock™ Brand Glass-Mat Tile Backerboard

Underlayment and Backerboard Overview

Underlayment and Backerboard Overview

USG Durock™ Brand Glass-Mat Tile Backerboard Combines The Best Of Cement And Gypsum

Documents & Files

Submittal Sheets & Specifications

Submittal Sheet (English) PDF 201.8 KB
Architectural Specification (English) DOCX 31.4 KB

Catalogs & Brochures

System Catalog (English) PDF 12.7 MB
Brochure (English) PDF 403.2 KB

SDS, Certifications & Reports

SDS (English) PDF 144.1 KB
SDS (Spanish) PDF 147.8 KB


Warranties (English) PDF 137.8 KB


Product Attribute Report (English) PDF 855.0 KB

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