09 28 23 Tile Backing Boards

09 28 23 Tile Backing Boards

Specification Details




8.5" x 11"


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tile backing boards

Tile Backing Boards

Use this free downloadable CSI 3-part specification to specify tile backing boards for spaces where walls and ceilings with continuous exposure to water and dampness by Hydro-Blok.


HYDRO-BLOK wallboard products offer a durable and water-resistant option for tile, stone, glass, or mosaic installations. The 100% waterproof XPS foam core provides a strong foundation for these materials, and the fiberglass mesh and modified cement coating add to the overall strength and durability of the product.


They are versatile, it can be easily cut with a utility knife, hand saw, or small circular saw, and can be custom cut or bent to fit around corners, providing a perfect fit to any installation requirement.


One of the key features of HYDRO-BLOK wallboard products is that they must be fastened with approved HYDRO-BLOK washers and screws, which are available from local dealers.


This is important to ensure that the product is properly secured and that the installation is safe and stable. The use of approved fasteners also ensures that the warranty on the product is valid.


Additionally, these wallboards can be used in a variety of different types of construction projects including basement, bathroom, kitchen, and shower walls, providing an efficient and cost-effective solution to creating strong, durable, and water-resistant walls that can withstand the elements and maintain their integrity over time.


With these Hydro-BLOK wallboards, you can have confidence on the long term stability and quality of your tile or other finishes installation.


When it comes to tile installation, one of the most important components is the backing material that supports the tiles. Traditional options like cement backer boards or drywall can be susceptible to water damage and mold growth, leading to costly repairs and potential health hazards.


That’s where Hydro-Block Wall Tile Backing Board comes in. This innovative product provides a water-resistant and mold-resistant surface that is robust and easy to work with.


For assistance in the use of products in this section, contact Hydro-Blok by calling 866-644-1503 or visit their website at www.hydroblok.com.


Related Specifications: 

09 30 43 – Tiling Accessories



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tile backing boards


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