Color steel plate is the most common mobile room material, which can be seen in many construction sites.Although the color steel plate is easy to use, inspectors found that flammable polystyrene foam was wrapped inside the color steel plate when inspecting its internal material.The inspector took out a piece on the spot and lit it with a lighter. The polystyrene foam immediately touched and melted and burned and produced a lot of black smoke.In order to ensure the fire safety, the inspection team sealed the work shed and ordered the construction party to dismantle it.It is understood that after the fire, polystyrene, polyurethane foam and other flammable materials, not only burning fast, but also produce a large number of toxic and harmful gases, threatening the safety of human life.

The best filler for color steel plate shall be made mainly of asbestos plate and fire-resistant cotton, and it can meet the fire safety conditions of the construction site only when it reaches the fire resistance limit of class A or above.In the use process, some heat sources and fire sources shall not be close to the color steel plate, and a certain distance shall be kept.If the kitchen is to be set up in the color steel plate room, a thermal insulation layer is required, and the wall surface shall be equipped with a fireproof rock wool thermal insulation layer.Wires and cables shall not pass through the color steel plate. If they need to pass through, protective sleeve shall be added. The socket and switch box shall adopt the metal galvanized box and the open installation method.Simple fire-fighting equipment shall be equipped indoors and outdoors, and fire alarm shall be installed if conditions permit, so as to facilitate rapid evacuation of personnel.A safe distance of at least 6 meters shall be kept between color steel plank houses.