wedi Building Board Construct – Flexible XPS board for curved and organic shapes
The wedi Building Board Construct is specially designed for creating curved, rounded and organic shapes in the bathroom. Thanks to the deep transverse grooves, the board bends easily without losing stability. Lightweight, 100% waterproof, thermally insulating and ready to tile – the ideal solution for curved walls, shower zones, seating elements and bespoke wellness constructions.
➕ Flexible across the transverse side — ideal for curved walls and organic shapes
➕ 100% waterproof XPS core with high bending strength
➕ Ready to tile and easy to work with
➕ Lightweight and dimensionally stable
➕ Available in multiple thicknesses (20, 30, 50 mm)
➕ Perfect for bespoke constructions, wellness areas and luxury bathrooms
Technical specifications
- Material: extruded polystyrene (XPS), closed-cell structure
- Surface: double-sided cement coating, glass fibre reinforced
- Dimensions: 2500 x 600 mm
- Thicknesses: 20 mm, 30 mm, 50 mm
- Bending radius 20 mm: outer diameter approx. 363 mm (full circle: 2.2 boards)
- Bending radius 30 mm: outer diameter approx. 538 mm (full circle: 1.5 boards)
- Bending radius 50 mm: outer diameter approx. 890 mm (full circle: 0.9 boards)
- Water absorption: 0%
- Thermal conductivity: approx. 0.036 W/mK
Applications of the Construct board
The Construct board is ideal for curved walls, wellness zones, organic designs, rounded shower walls, seating elements, cladding and bespoke bathroom furniture. Its flexible structure makes it easy to create even highly complex shapes.
wedi Building Board Construct – the flexible solution for curved and organic bathroom designs
The wedi Building Board Construct is the ideal choice for anyone looking for creative freedom in the bathroom. The board features precisely cut grooves on the transverse side, allowing it to bend smoothly without compromising stability. Thanks to its strong XPS core, double-sided cement coating and glass fibre reinforcement, the board remains waterproof, dimensionally stable and ready to tile – even in curved applications.
Perfect for curved shapes and creative concepts
Whether you are creating a curved shower wall, a rounded wellness bench, a niche with flowing lines or a sculptural feature wall, the Construct board makes it easy. Each thickness allows for a different bending radius, enabling almost any organic shape.
The right thickness for the desired bending radius
Each thickness offers its own ideal flexibility. This ensures you always choose the right board for your design:
- 20 mm – tight bending radius, ideal for compact curved shapes
- 30 mm – medium radius, perfect balance between flexibility and stability
- 50 mm – large radius, suitable for gentle curves and wide rounded walls
Advantages of the Construct board
➕ Flexible across the transverse side – ideal for curved and organic forms
➕ 100% waterproof and thermally insulating
➕ Strong XPS core with high bending and compressive strength
➕ Ready to tile thanks to the glass fibre reinforced cement coating
➕ Lightweight, clean and fast to install
➕ Perfect for wellness areas, bespoke constructions and luxury bathrooms
Fast, clean installation with wedi Tools
The Construct board is easy to cut, shape and bond. No special tools are required for bending. Bonding with wedi 610 ensures a strong, waterproof connection. Rosettes and plugs can be used for additional security or to compensate for uneven substrates.
- wedi 610 adhesive and sealant – for strong, waterproof connections
- wedi Joint Reinforcement Tape – ideal for transitions to other materials
- wedi Sealing Tape – for fully waterproof joints
- wedi Rosettes & Plugs – for mechanical fixing where required
Applications of the Construct board
The flexible Construct board opens up a world of design possibilities. Common applications include:
- curved shower walls and partitions
- wellness benches and rounded seating elements
- organic niches and sculptural features
- rounded details in bathroom furniture and cladding
- cladding of curved pipes or service lines
Specifications
| Manufacturer | wedi |
| Product name | wedi Building Board Construct – transverse |
| Type | Flexible XPS board for curved shapes |
| Dimensions | 2500 x 600 mm |
| Thicknesses | 20 mm, 30 mm, 50 mm |
| Bending radius | 20 mm: Ø 363 mm – 30 mm: Ø 538 mm – 50 mm: Ø 890 mm |
| Material | XPS core with glass fibre reinforced cement coating |
| Water absorption | 0% – fully waterproof |
| Thermal conductivity | approx. 0.036 W/mK |
| Suitable for | tiles, cement-based plaster, natural stone |
Part of the complete wedi system
The Construct board integrates seamlessly into the full wedi system. Combine this flexible building board with wedi Fundo shower trays, wedi Top design surfaces, niches, benches and other components to create even the most creative bathroom and wellness concepts with long-lasting, watertight reliability.
