HardieBacker Cement Board - 1200mm x 800mm x 12mm

HardieBacker Cement Board is a durable, mould and water-resistant fibre cement tile backer board, ...

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HSS HireHardieback Green Hardiebacker 500 Water Resista Nt Tiling Board 1200 X 800 X 12Mm
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B&QB&Q - 500 Square Edge 12mm Backerboard (H)1200mm (W)800mm
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Product Information

Full details

This guide is for anyone looking to install ceramic or stone tiles in bathrooms, wet rooms, or on floors and walls. HardieBacker Cement Board provides a durable, water-resistant base that prevents mold and ensures tile longevity. However, proper installation is crucial for optimal performance, so understanding the steps is important. This guide covers everything from setup and care to troubleshooting common issues.

All features

Model Part Number8717399083508
BrandHardieBacker

Extended Product Information

FAQs

What is HardieBacker made of?

HardieBacker is composed of 90% Portland cement and sand.

Can I use HardieBacker in a shower?

Yes, HardieBacker is ideal for shower installations due to its water resistance and mold resistance.

What kind of fasteners should I use?

Use corrosion-resistant screws or nails specifically designed for cement board.

How thick is the HardieBacker board?

The product is 12mm thick.

Do I need to waterproof HardieBacker?

HardieBacker is water-resistant, but for wet areas like showers, it's recommended to waterproof the surface to avoid water penetration.

How do I cut HardieBacker?

Score the board with a scoring knife and then snap it along the scored line.

Can I install HardieBacker over existing tile?

It is generally not recommended to install HardieBacker over existing tile. Remove the old tile first to ensure a flat, stable surface.

What type of mortar should I use?

Use a thin-set mortar suitable for cement board, following the tile manufacturer's recommendations.

Troubleshooting

Board is difficult to cut.

Ensure you are using a sharp scoring knife. Score the board deeply, and snap cleanly along the score line.

Tiles are cracking after installation.

Make sure the subfloor is structurally sound and that the HardieBacker is properly fastened. Use a flexible thin-set mortar if necessary.

Water is penetrating the tile installation.

Ensure proper grouting and sealing. Inspect the seams and repair any gaps or cracks.

Board is not level.

Ensure that the subfloor is level before installing the HardieBacker cement board, and use shims where necessary.

Pros and Cons

Pros

  • Resistant to water and mold, protecting underlying structures.
  • Provides a strong and stable base for tile installation.
  • Easy to cut and install, saving time and effort.
  • Suitable for use in wet areas like bathrooms and wet rooms.
  • Offers excellent adhesion for heavy tiles.
  • Fire-resistant properties enhance safety.

Cons

  • Requires specific tools for cutting (scoring knife).
  • May require additional fasteners depending on the application.
  • Can be dusty when cut if not scored properly.
  • The 12mm thickness may require adjustments to existing fixtures.
  • More expensive than some other backer board options.
  • Needs to be installed correctly to avoid issues with moisture.

Setup, Compatibility & Care

  1. Preparation: Ensure the subfloor or wall studs are level and structurally sound.
  2. Cutting: Use a scoring knife to score the board, then snap along the score line for clean cuts. ![Scoring and snapping HardieBacker](#)
  3. Fastening: Secure the board to the subfloor or studs using appropriate screws or nails designed for cement board. Follow the manufacturer's recommendations for fastener spacing.
  4. Seaming: Leave a small gap (e.g., 1/8 inch) between boards and fill with thin-set mortar or a specific joint treatment for cement board.
  5. Tiling: After the board is installed and the seams are treated, you can begin tiling using a thin-set mortar suitable for cement board. Follow tile manufacturer's instructions for mortar and grout.

Compatibility: HardieBacker is compatible with most types of ceramic and stone tiles. Use a mortar recommended by the tile manufacturer.

Care: Clean the board with a damp cloth or sponge. Avoid abrasive cleaners.

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