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Blosam building boards have a blue core made from CFC-free extruded polystyrene rigid foam.
This makes the building board an ideal basis for any type of plaster and tile.Blosam building boards can be applied to practically any substrate, are waterproof, insulating, versatile, light and robust.
Blosam Construct building board, offers many possibilities when it comes to designing customised 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.
Fire behaviour DIN 4102-1 (from 4 mm board thickness) | B2 |
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 board (1250 x 600 x 4 mm) | 2,7 Kg |
Building board XXL (2500 x 1200 x 50 mm) | 13,8 Kg |
Linear coefficient of thermal expansion | 0,017 mm/(mk) |
Long-term compressive strength (50 years) ≤ 2% compression EN 1606 | 0,08 N/mm2 |
Compressive resistance or compressive strength at 10% compression EN 826 | 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 12086 | 100 |
Water absorption under long-term immersion EN 12087 | ≤ 1,5 Vol.-% |
Capillar action | 0 |
Linear coefficient of thermal expansion | 0,07 mm/mK |
Temperature limits | -50°C / +75°C |
Fire behaviour DIN 4102 | B1 |
Propellant gas, carbon dioxide, GWP value | 1 |
















Demi Yao
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