Color steel Features: Color + light steel system installed windows are made of hollow glass activities of the board, sound insulation installation activities of the board, soundproofing of 40 decibels; the wall by a metal frame, thermal insulation material composed of gypsum board, which sound insulation up to 60 decibels. Color wall using energy-efficient system, with respiratory function, can regulate indoor air humidity; the roof of a ventilation function, can be formed between the internal air flow over the house, to ensure internal roof ventilation and cooling requirements. Color steel activities of the board quotes, often referred to painted steel, steel sheets are coated with a machine. A wide range of common single tile, corrugated board, composite board, rock wool board, drying boards, floor boards and the like. Large buildings, factories, airports, container activity room wall and roof used to color plate.