Duct PC. Chamber plates made of polycarbonate are produced during coextrusion's method from polycarbonate resin. They are weather resistance (10 years producer guarantee). Duct PC are characterized by good light permeability, lightness connected with high material stiffness, good thermo isolation factors. This material are often used in: roofing, glazed roofs, covers protected from smoke, skylights, passage?s roof, stops, umbrella roofs, verandas, winter gardens, balconies, glasshouses, swimming pools, partition walls, hanged ceilings, safety filling of doors and windows.