Official distributor of wedi structural boards for the Czech Republic, SK, PL. Wedi construction boards are a 100% waterproof building material. Ideal for creating exclusive designer bathrooms, construction of shower enclosures and bathtub enclosures, wellness furniture, thermal insulation of walls, loggias and balconies, cladding of ventilated facades. The structural boards are made of extruded polystyrene, which is coated on both sides with glass fabric and cement screed.