Wedi Tile Backer Boards

wedi building board systems

The wedi building board is a tile backer board which has a blue core made from extruded polystyrene rigid foam which is free from HCFCs. This makes the wedi building board the ideal base for all plastering and tiling work. It can be put on almost any surface, is waterproof, heat insulating, light and stable and can be used in a variety of circumstances.

Why Choose Wedi Building Boards?

Preparing the correct substrate is one of the most important stages of any tiling project. Unlike traditional plasterboard or plywood, Wedi Building Boards are specifically designed for use in wet environments, providing exceptional moisture resistance, excellent insulation and outstanding dimensional stability.

The waterproof XPS core prevents moisture absorption, while the reinforced surface creates an excellent bond for flexible tile adhesives. The result is a board that's easy to work with, highly durable and suitable for even the most demanding bathroom installations.

Benefits of Wedi Building Boards

Wedi boards offer a wide range of advantages, including:

• 100% waterproof XPS core
• Lightweight and easy to handle
• Excellent thermal insulation properties
• Strong surface for ceramic, porcelain and natural stone tiles
• Ideal for bathrooms, wetrooms and shower enclosures
• Suitable for walls, floors and ceilings
• Easy to cut and shape using standard hand tools
• Helps create a stable substrate for long-lasting tiled installations
• Available in a range of thicknesses to suit different applications
• Compatible with underfloor heating systems in many installations

More Than Just a Tile Backer Board

One of the reasons Wedi has become one of the leading names in bathroom construction is its versatility. Wedi Building Boards can be used for much more than preparing walls for tiling.

Popular applications include:

• Bathroom walls
• Wetroom walls
• Bathroom floors
• Shower enclosures
• Bath panels
• Pipe boxing
• Vanity unit construction
• Shower benches and seating
• Shelving and storage niches
• Bespoke bathroom furniture

Their lightweight construction makes them easy to fabricate, allowing installers to create custom bathroom features that are both durable and fully waterproof.

A Complete Waterproof Bathroom System

Wedi Building Boards form part of a complete waterproof installation system. When used alongside Wedi joint sealant, waterproof tapes and fixing accessories, they help create a secure, watertight substrate ready for tiling.

This system-based approach not only simplifies installation but also helps protect the underlying building structure from moisture, making Wedi an excellent choice for bathrooms, wetrooms and high-humidity environments.

Choosing the Right Wedi Board

Wedi Building Boards are available in a range of thicknesses, allowing you to select the most suitable board for your project.

4mm–6mm boards – ideal for overboarding existing walls and floors.
10mm & 12.5mm boards – perfect for bathroom walls and tiled floors.
20mm–50mm boards – suitable for boxing pipework, bath panels and custom furniture.
Thicker boards – ideal for constructing partition walls, seating and bespoke bathroom features.

Whether you're completing a simple bathroom refurbishment or designing a luxurious wetroom, there's a Wedi board to suit your installation.

What does wedi INSIDE have to offer?

The principle of wedi INSIDE is wonderfully simple: High-quality ceramic coverings require a completely secure surface underneath. For this reason, especially for use under tiles, tradesmen have been trusting wedi's unique quality for decades. 100% waterproof and we are 100% sure of this - we guarantee it with wedi's letter and seal!

• The blue XPS core is 100% waterproof and still functions if it becomes damaged.
• abP* approved: wedi 610 seals joins between boards and makes them waterproof without the need to use any other products. As it is not necessary to use any other waterproofing materials, the tradesman benefits from increased security and a shorter application time.
• The cement-coated surface forms an incredibly strong base for adhesive thanks to the integrated fabric.
• All of our building board systems provide fantastic insulation, save energy costs and protect against mould for the long-term.

_{* abP (Allgemeines bauaufsichtliches Prüfzeugnis - German general building inspection certificate) for tile and board coverings, also in areas which bear heavy loads}

Shop Wedi Building Boards at Rubberduck Bathrooms

At Rubberduck Bathrooms, we stock a comprehensive range of Wedi Building Boards, together with the compatible fixings, washers, joint sealants and accessories needed to complete your installation.

Browse our collection today to discover why Wedi has become one of the most trusted names in bathroom and wetroom construction, offering waterproof performance, excellent insulation and professional-quality results for every tiling project.