GlasRoc® Tile Backer is a gypsum tile substrate panel for walls and ceilings, specially formulated with a water-resistant core to meet the demands of high-moisture areas. For greater convenience, GlasRoc Tile Backer allows you to apply tile using thinset or mastic compounds.
Valued for its mold resistance, it is well-suited for tile and non-tile installations in wet and non-wet applications, and in areas of high humidity. It also offers excellent fire-resistance properties, and can be used in numerous fire-rated designs and assemblies.
Available in 1/2" (12.7 mm) and 5/8" (15.9 mm) thicknesses. See the Technical Info table below for available widths and lengths. GlasRoc Tile Backer is up to 30 percent lighter in weight than conventional cement backer boards. It cuts like regular gypsum panels, is easy to handle and install, and offers reduced surface alkalinity versus conventional cement board. 
5/8” GlasRoc Tile Backer (Type X) features a specially formulated core for use in UL and ULC fire resistance-rated designs
Achieves best possible score of 10 for mold resistance per ASTM D3273
Meets ASTM C1178, which is recognized by the Tile Council of North America (TCNA)
Low VOCs; GREENGUARD Gold Certified
Produces low dust; excluded from “Table 1” of the OSHA Crystalline Silica Rule
Lifetime Limited Warranty for residential applications
20-Year Limited Warranty for commercial applications

Technical Information

GlasRoc® Tile Backer and GlasRoc® Tile Backer Type X Panels are used in wet, non-wet, or high-humidity areas. These panels are typically used for adhering ceramic tiles to walls in bathrooms, shower and tub enclosure walls, kitchens, laundry rooms, and utility rooms. The GlasRoc Tile Backer Panels are designed to be used for walls, ceilings, and countertop applications. 


Applicable Standards and References

-ASTM C1178
-Gypsum Association GA-216
-Gypsum Association GA-214
-Tile Council of North America’s TCNA Handbook for Ceramic Tile Installation
-ANSI’s American National Standard Specifications for the Installation of Ceramic Tile

Installation of GlasRoc® Tile Backer should be consistent with methods described in the standards and references noted.

Please see the GlasRoc® Tile Backer Brochure for additional recommendations, requirements, and installation instructions.

Warranty Details

Please use the attached links for complete warranty documents and details.

Sustainability Information

CertainTeed Gypsum is committed to sustainability. Our manufacturing facilities, located throughout North America, provide regional material coverage and operate with a responsible and environmentally conscious ethic that includes reclamation, preservation of natural resources, recycling, and waste management. We are continually looking for ways to reduce our impact on the environment while meeting customer demand for sustainable products that deliver comfort, protection, and performance.

CertainTeed is committed to sustainability and transparency. CertainTeed Gypsum created third-party Type III product- and plant-specific Environmental Product Declarations (EPDs) for many of our products, including 5/8” Type X, 5/8” M2Tech Type X, ½” Type C, 5/8” Type C, 5/8” GlasRoc Sheathing, 5/8” Extreme Abuse, and 5/8” Extreme Impact. These Type III EPDs are certified by UL Environment.

CertainTeed Gypsum also has Health Product Declarations (HPDs) for all gypsum board products; many which are 3rd party verified.  The third-party verified HPDs provide assurance all the products raw materials are declared to the specified PPM. Plus, third-party verified HPDs can assist in achieving credits in your LEED v4.1 project. 

CertainTeed Gypsum also is committed to producing low VOC content products. Many of our gypsum board and setting compounds are GREENGUARD Gold-certified through UL Environment. 

Our gypsum board manufacturing facilities, located throughout North America, operate with a responsible and environmentally conscious ethic which includes:

-Preservation of natural resources
-Many plants have pre- and/or post-consumer recycled content used within the products
-100% recycled face and back paper
-In-plant scrap is recycled back into the manufacturing process
-Waste Management

CertainTeed products can contribute to many different Green Building Rating systems, such as the LEED and WELL programs. Sustainable documentation, including recycled content, EPD’s, HPD’s, and VOC Certifications, can be found here.

Sustainability Docs

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