Knauf Aquapanel Tile Backer Board - 1200mm x 900mm x 12.5mm

Name: Knauf Aquapanel Tile Backer Board - 1200mm x 900mm x 12.5mm
Brand: Knauf
SKU: bupia6i6wd
Price: 24.00 GBP
Availability: InStock

The Knauf Aquapanel Square Edge Tile Backer Board delivers exceptional performance in wet and humi...

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Knauf Aquapanel Tile Backer Board 1200mm x 900mm x 12.5mm for Wetrooms

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Product Information

Full details

The Knauf Aquapanel Tile Backer Board is designed for professional contractors and DIY enthusiasts working on bathroom or wetroom renovations who need a reliable, waterproof substrate for tiling. It offers the key benefit of preventing moisture-related tile failure and mould growth due to its high-quality cement and glass fibre composition; however, users should note that at 12.5mm thickness and high material density, the boards are substantial and require proper handling during transport and installation.

All features

Model Part Number	519734
Brand	Knauf

Extended Product Information

FAQs

Can I use this board for floor tiling?

Yes, it is designed for both wall and floor applications in wet areas.

What tools do I need for installation?

A utility knife for scoring, a straight edge, a drill/driver for screws, and a notched trowel for adhesive.

Does it need a waterproof tanking membrane?

While the board itself is waterproof, building regulations in many areas require a tanking membrane in wetrooms; check your local requirements.

How do I seal the joints?

Use a compatible tile adhesive combined with joint tape to bridge the gaps between boards.

What is the weight limit for tiling?

The board supports up to 50kg/m2 of tiling weight.

Can it be installed over existing timber floors?

Yes, provided the timber floor is structurally sound and rigid enough to support the additional load.

Troubleshooting

Difficulty snapping the board after scoring

Ensure you have scored the glass fibre mesh on both sides deeply enough to provide a clean break point.

Screw heads protruding from the board surface

Use the designated Aquapanel screws and ensure the driver is set to countersink the head slightly without damaging the surrounding cement matrix.

Board cracking during mounting

Verify that your stud spacing is aligned correctly and ensure the board is fully supported on the frame before driving screws.

Pros and Cons

Pros

Completely waterproof and immune to water damage or swelling
Easy to cut using simple score-and-snap technique
High load-bearing capacity for heavy wall tiles
Resistant to impact and daily wear
Backed by a 10-year manufacturer guarantee

Cons

Requires careful handling due to weight and rigidity
Heavier than standard gypsum-based boards
Requires specific screws for optimal attachment

Setup, Compatibility & Care

Installation requires securing the boards to timber or metal studs using compatible Aquapanel screws. Ensure that all joints are properly treated with appropriate tile adhesive and joint tape to maintain a seamless moisture barrier. The boards are 1200mm x 900mm x 12.5mm, making them manageable for single-person installation, though a helper is recommended for overhead applications. Once the boards are fixed and joints are sealed, the surface is ready for direct tiling using standard cementitious tile adhesives. Minimal maintenance is required once the tiles are installed, provided that the initial grouting and silicone sealing are performed according to industry best practices.