Cementitious Backing Boards (ZD)


Specification Details

8.5" x 11"
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09 28 13
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Cementitious Backing Boards

Use this 3-part specification template to specify a cementitious backing board for use behind and under tile flooring.

Why Use Cementitious Backing Boards in Wet Areas?

Most building codes now mandate the use of cementitious backing boards in areas subject to prolonged moisture exposure, such as showers and backsplashes. Unlike traditional materials, these boards are designed to withstand the rigors of damp environments, preventing tile cracking and other common issues associated with moisture.

Understanding the Composition and Benefits

Cementitious backing boards are crafted from a robust blend of cement and reinforcing fibers, providing a stable and durable foundation for tile flooring. This composition not only ensures a smooth surface for tile adhesion but also offers superior resistance against mold and moisture

damage, making them an ideal choice for bathroom renovations and wet area applications.

Selecting the Right Thickness for Your Project

One of the key considerations when choosing cementitious backing boards is thickness. These boards come in various thicknesses, catering to different installation needs and structural requirements. Whether you’re working on a residential bathroom or a commercial kitchen, selecting the appropriate thickness is vital for ensuring the longevity and stability of your tiling work.

Installation Tips for Optimal Results

Proper installation of cementitious backing boards is as crucial as the product selection itself. Here are some quick tips to ensure a successful installation:

  • Ensure the substrate is clean and even before installation.
  • Use quality adhesives and fasteners designed for use with cementitious boards.
  • Seal joints and corners effectively to prevent water penetration.

Your Go-To Choice for Tile Flooring Projects

From enhancing the durability of your tile work to complying with building codes, cementitious backing boards are your best ally in wet area installations. Explore our selection of top-grade cementitious backing boards and find the perfect match for your project requirements.

Spec Notes:

  • Most building codes require this type of board to be installed in showers and other wet locations where long-term exposure to moisture may occur.
  • Boards are used on walls and ceilings to support the tile, so it doesn’t crack or fall off. There are many types of backing boards, however, cementitious boards are the most common.
  • Boards are made of cement and other materials that provide a smooth surface for the tile to adhere to. They’re also available in different thicknesses, so you can choose one that best fits your needs.

Recommended Materials:

Cementitious Backing Boards stone flooring


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cementitious backing boards

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