The 12mm HardieBacker Board is a high-performance tile backer board specifically designed for wet areas like kitchens and bathrooms. It provides excellent resistance to mold and moisture, making it an ideal substrate for vinyl, natural stone, and ceramic tiles.

Equipped with innovative MouldBlock Technology, the HardieBacker 12mm floor tiling backerboard offers durable water and mold resistance. Unlike plywood and plasterboard, HardieBacker performs exceptionally well in wet areas and is specifically designed for use in kitchens and bathrooms. Its absence of paper facing prevents dangerous mold growth and ensures that the boards will not warp or rot when exposed to water.

In addition to its superior resistance to mold and moisture, HardieBacker also offers excellent adhesive properties. It securely holds ceramic or stone tiles with weights of up to 200 kg/m2, which is up to 3 times the compressive strength compared to other boards.

• checkUp to 3x the compressive strength of competitive boards - great surface for tiles
• checkSuperior waterproof surface to fix wall or floor tiles
• checkCan be installed over existing timber floor or with underfloor heating systems
• checkIncludes EZ Grid recessed fastener pattern making installation easier 
• checkUnique formulation with MouldBlock Technology
• checkNo loose aggregates or filler 
• checkHighest flexural strength
• checkSuitable for use in wet rooms and bathroom 

Specifications

• Thickness: 12mm
• Width: 800mm
• Length: 1200mm
• Purchase Unit: Sheet
• Coverage: 0.96m2

Performance

The 12mm HardieBacker board is resistant to water damage and will not rot, swell, or warp, even in wet conditions. It offers up to 3 times the compressive strength of other boards, providing a great surface for tiles. The board is easy to cut, can be scored and snapped for clean cuts, and offers superior waterproofing for fixing wall or floor tiles. It can be installed over existing timber floors or with underfloor heating systems for excellent heat insulation. The EZ Grid recessed fastener pattern makes installation quick and easy, ensuring tight alignment of all edges.

Features and Benefits

• Resistant to mold and moisture: The HardieBacker Board is designed to withstand moisture and prevent the growth of mold.
• No paper facing to prevent mold growth: Unlike other boards, the HardieBacker Board does not have a paper facing, eliminating the risk of mold growth.
• Will not warp or rot when exposed to water: This board is specially engineered to resist warping and rotting, even when exposed to water.
• Excellent adhesive properties: The HardieBacker Board has exceptional adhesive properties, ensuring a strong bond with tiles and other materials.
• Can hold ceramic or stone tiles with weights of up to 200 kg/m2: This board is capable of supporting heavy ceramic or stone tiles, making it suitable for various applications.
• Up to 3 times the compressive strength of other boards: With its superior compressive strength, the HardieBacker Board offers enhanced durability and stability.
• Easy to cut and install: The HardieBacker Board is easy to cut and install, saving time and effort during the installation process.
• Includes EZ Grid recessed fastener pattern: This board features an EZ Grid recessed fastener pattern, ensuring secure and precise installation.
• Consistent composition with no loose aggregates or filler: The HardieBacker Board is made with a consistent composition, free from any loose aggregates or filler, ensuring a reliable and long-lasting product.
• Suitable for use in wet rooms and bathrooms: Due to its resistance to moisture and mold, the HardieBacker Board is ideal for use in wet rooms and bathrooms.
• Enhanced fire resistance: The HardieBacker Board offers enhanced fire resistance, providing an added layer of safety and protection.
• Environmentally friendly: Made from sustainable materials, the HardieBacker Board is an environmentally friendly choice for construction projects.

Applications

• Tile Backing Board: JamesHardie 12mm HardieBacker Board is primarily used as a tile backing board. It provides a strong and moisture-resistant foundation for tiles, preventing them from warping or cracking.
• Flooring: This product can be used as a subfloor in wet areas like bathrooms and kitchens. It provides a solid, stable, and flat surface for tile installation.
• Wall Partitioning: The HardieBacker Board can be used for wall partitioning in both residential and commercial buildings. It is a durable and reliable solution for creating new spaces.
• Countertops: It can be used as a base for countertops in kitchens and bathrooms. It provides a strong and stable surface for the installation of various types of countertops, including granite, marble, and quartz.
• Fireplace Surrounds: The board is also suitable for use in fireplace surrounds. It is fire-resistant and can withstand high temperatures, making it a safe choice for this application.
• Underlayment for Vinyl and Laminate Flooring: The HardieBacker Board can be used as an underlayment for vinyl and laminate flooring. It provides a smooth and level surface, ensuring a flawless finish.

Certifications

The 12mm HardieBacker board meets the highest industry standards and certifications for quality and performance.

Equivalent/Related Products

• HardieBacker 12mm Cement Board
• HardieBacker 12mm Tile Backer Board
• HardieBacker 12mm Waterproof Backer Board

What Is Hardiebacker 12mm?

For outstanding mould and moisture resistance, rely on HardieBacker 12mm floor tiling backerboard. 

HardieBacker 12mm innovative MouldBlock Technology is what endows the boards with their durable water and mould-resistance. 

Unlike plywood and plasterboard, 12mm HardieBacker holds up well in wet areas like kitchens and bathrooms, making it an ideal substrate for vinyl, natural stone and ceramic tiles. 

Its lack of paper facing keeps dangerous mould growth at bay and ensures the boards will not warp or rot when exposed to water. 

Aside from offering impressive protection against moisture damage, it also boasts excellent adhesive properties, ensuring that whatever ceramic or stone tile you use, it will hold strong with applied weights of up to 200 kg/m2, up to 3x the compressive strength compared to competitive boards. 

What's more, this no-mesh board features an innovative EZ Grid recessed pattern, saving you time and effort when installing. 

12mm Hardie Backer Board Benefits

Thanks to its unique cement formulation and MouldBlock Technology, 12mm HardieBacker board is impervious to water damage and won't rot, swell or warp, even when exposed to the wettest conditions.
Aside from its water-resistant properties, 12mm HardieBacker offers many benefits. 

While conventional plasterboards claim to hold up to 32kg, HardieBacker board 12mm can hold 100kg m2. HardieBacker offers higher adhesion to tiles than either timber or plasterboard.

Let's check the specs: 

• Up to 3x the compressive strength of competitive boards - great surface for tiles
• Easy to cut - single score and snap clean cuts
• Superior waterproof surface to fix wall or floor tiles
• Can be installed over existing timber floor or with underfloor heating systems for first class heat insulation
• Easy to install - includes EZ Grid recessed fastener pattern
• Clean cuts ensure all edges align tightly 
• Less dust and debris when cut
• Unique formulation with MouldBlock Technology
• No loose aggregates or filler 
• Highest flexural strength
• 90% Portland cement and sand
• Suitable for use in wet rooms and bathroom 
• Dimensions: 1200 x 800 x 12mm 
• Fastens directly to any floor, wall or wooden frame 

Where is 12mm Hardiebacker used?

Whether you're looking to install, ceramic, stone or porcelain tiles, make sure your tiling work stays put with HardieBacker Board 12mm.

Specifically designed for use in wet areas such as kitchens and bathrooms, the mould-resistant boards perfectly line up with any dry wall and can be fixed directly to any floor, wall or wooden frame. 

Tiling on top of floor boards requires a layer of overboard being laid to create stability which Hardiebacker Board 12mm is simply perfect for. 

When tiling a wooden floor, 12mm HardieBacker offers a sturdy and flat surface upon which to tile, reducing excessive flex and hence preventing grout from cracking. 

For the best protection against moisture damage we recommend using 12mm HardieBacker Board in the following applications: 

• Vinyl, natural stone and ceramic tiles substrate
• Floors and countertops
• Masonry solid walls

Its fire resistant properties also make it a super substrate for: 

• Wall panelling behind a boiler
• Wall panelling behind a multi-fuel or wood-burning stove

How to Cut 12mm HardieBacker

Tile backer boards can be cut with a simple stanley knife and a straight edge - no expensive power tools required. 

The boards can be cut in various shapes and sizes, meaning you can cut around pipes and appliances by hand. 

Installation

HardieBacker boards can be easily cut with a stanley knife and a straight edge, without the need for expensive power tools. They can be cut into various shapes and sizes, allowing for cutting around pipes and appliances by hand. When installing onto wooden floors, it is recommended to use insulation fixing washers and screws. When installing backer boards onto a concrete subfloor, flexible tile adhesive should be used, and the floor should be primed prior to installation.

12mm HardieBacker Installation Tips

When installing onto wooden floors we recommend using insulation fixing washers and screws. 

When installing backer boards onto concrete sub floor we suggest using flexible tile adhesive, ensuring the floor is primed prior to installation.  

About James Hardie

James Hardie is a leading manufacturer of building boards, including the HardieBacker board. They are known for creating durable, high-quality products that outperform traditional materials like plasterboard and plywood. James Hardie tile backer boards have a unique formulation that contains no loose aggregate or filler, giving them a consistent composition that can support up to 200kg/m2 of tile hanging weight.

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