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wedi building board Construct

Bendable and flexible for individual constructions

Building board Construct
Product Systems

Building board Construct

„The flexible building board for freedom of design.“

wedi building boards have a blue core made from CFC-free extruded polystyrene rigid foam.
This makes the wedi building board an ideal basis for any type of plaster and tile. wedi building boards can be applied to practically any substrate, are waterproof, insulating, versatile, light and robust.

wedi Construct building board, offers many possibilities when it comes to designing customized forms. Whether you are looking for small radii or semicircular solutions, thanks to the pre-cut profiles the Construct building board gives you the freedom to be creative.

  • The blue XPS core is 100% waterproof and remains fully functional even after possible damage.
  • The cemented surface is a good adhesive under-surface. The fibre fabric also absorbs tensile forces.
  • All building board systems have great heat insulation properties,

Technical data of building board Construct


Sound insulation DIN EN ISO 140-3 (at board thickness of 12.5 mm) Rw, P 23 dB
Fire behaviour EN 13501 E
Bending stress based on DIN 53293 3900 kPa (mean value)
Adhesive tensile strength 0,28 N/mm2
Weight: wedi building panel (1250 x 600 x 4 mm) 2,7 Kg
13,8 Kg
Linear coefficient of thermal expansion 0,017 mm/(mk)


Technical properties – Rigid foam

 7 N/mm2
Long-term compressive strength (50 years) ≤ 2% com 0,08 N/mm2
Compressive resistance or compressive strength at 0,25 N/mm2
Associated modulus of elasticity EN 826 10 –18 N/mm2
Thermal conductivity EN 13164 0,036 W/mK
Tensile strength EN 1607 0,45 N/mm2
Shearing resistance EN 12090 0,2 N/mm2
Shear modulus EN 12090 7 N/mm2
Bulk density EN 1602 32 kg/m3
Resistance to water vapour diffusion(μ) EN 1208 100
Water absorption under long-term immersion EN 1208 ≤ 1,5 Vol.-%
Capillar action
Linear coefficient of thermal expansion 0,07 mm/mK
Temperature limits -50°C / +75°C
Fire behaviour EN 13501 E
Propellant gas, carbon dioxide, GWP value 1

Product sizes

Order no. Designation Length x width x thickness
010709020 wedi building board Construct (lengthwise cut) 2500 × 600 × 20 mm

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Shapeable building boards - wedi building board Construct

  • wedi Construct building board opens up many possibility for designing circular shapes. Whether you wish to create narrow radii or semicircular solutions, the Construct building board gives you scope to turn your ideas into reality. Construct building boards provides high quality moisture protection and heat insulation, regardless of the shape, high technical standards whilst aloowing you to be creative.

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