Question 1

1. What is tile backer board?

Accepted Answer

Tile backer board is a rigid sheet material installed behind tiles to provide a stable, moisture-resistant base. It’s commonly made from cement, fibres, or foam, and is used in bathrooms, kitchens, and wet rooms. Tile backer board helps prevent tile movement and protects underlying structures from moisture.

Question 2

2. Can you plaster tile backer board?

Accepted Answer

Tile backer boards are not designed to be plastered in the same way as plasterboard. Their surface is intended for tile adhesive rather than skim finishes. While some boards may accept a thin levelling coat, most manufacturers recommend tiling directly. For non-tiled areas, a different substrate, for example plasterboard, is usually more suitable.

Question 3

3. How do you cut tile backer board?

Accepted Answer

Most tile backer boards can be cut using a score-and-snap method. Mark the cut line, score the surface with a carbide-tipped knife, then snap the board cleanly. Power tools can also be used for thicker cement boards. Cutting backer boards can kick up a lot of dust and particles, so always wear dust protection, especially when using power tools.

Question 4

4. Is tile backer board waterproof?

Accepted Answer

Many tile backer boards are water-resistant, and some are fully waterproof depending on the material. Cement-based boards resist moisture but may still allow water through, so a membrane is often used as well. Foam-cored boards are typically more waterproof by design.

Question 5

5. Cement board vs tile backer board – what’s the difference?

Accepted Answer

‘Cement board’ is one type of tile backer board, made from cement mixed with reinforcing fibres. ‘Tile backer board’ is a more general term that includes cement boards but also includes foam and composite board options. Cement boards are strong and durable, while other backer boards may be lighter, easier to cut, or more waterproof depending on the system.

Question 6

6. How do you install tile backer board?

Accepted Answer

Tile backer board is fixed to floors or studs using screws or adhesive, depending on the substrate. Boards are laid with small gaps between joints, then secured and taped. Joints are sealed to improve moisture resistance before tiling. Follow system guidance for spacing, fixings, and waterproofing.

Tile backer board

12mm Hardiebacker Board 1200 x 800mm

6mm Hardiebacker Board 1200 x 800mm

12mm STS Construction Board 2400mm x 1200mm

12mm NoMorePly Fibre Cement Construction Board 1200 x 800mm

12.5mm Easyboard Tile Backer Board 1200 x 800mm (Pallet of 60 Sheets)

6mm STS Construction Board 2400mm x 1200mm

12mm STS Construction Board 1200mm x 800mm

12mm Cembacker Tile Backer Board 1200 x 600mm (Pallet of 82 sheets)

6mm Hardiebacker 500 Tile Backing Board 1200 x 800mm (Pallet of 90 sheets)

12mm Hardiebacker 500 Tile Backing Board 1200 x 800mm (Pallet of 50 sheets)