Waterproof polystyrene designed for insulating foundations, floors, flat roofs, terraces, and balconies. Recommended for use in areas with increased humidity. Available in smooth and milled sheets. High-quality blue polystyrene with good parameters, resistant to compression and tension. BLUE-STYR EPS 150 blue waterproof polystyrene boards are available in dimensions of 500×1000 mm. Standard thicknesses range from 10 to 300 mm in 10 mm increments. Larger boards are also available upon request, as are milled boards from 50 mm. BLUE-STYR EPS 200 blue waterproof polystyrene boards are available in dimensions of 500×1000 mm. Standard thicknesses range from 10 to 300 mm in 10 mm increments. Larger boards are also available upon request, as are milled boards from 50 mm.