How Wonderful the Plastic-steel Door/Window Are!

Door and window are important parts of building structure, the commonly-used doors and windows in residential buildings cover wood doors and windows, steel doors and windows, aluminum alloy doors and windows, and plastic-steel doors and windows, among which the plastic-steel doors and windows are the most leading-edge as a kind of newly rising novel energy-saving building doors and windows which have less indoor heat loss compared with other doors and windows, and show excellent energy conservation and thermal insulation effects. With UPVC material lined with carbon steel keel, it is formed by extrusion, cutting and welding and is matched with hardware fittings and rubber sealing strips. It is called plastic-steel doors and windows due to carbon steel keel lining inside. It well combines the advantages of other doors and windows mentioned before, but superior to them. It is light, clean, easy to open, elegant, aging-resistant, and high-quality as its service life will reach over 30 years. Moreover, it has properties of flame retardance, high strength and superstrong sealing. Simple methods to differentiate the quality of plastic-steel doors and windows.
U-PVC plastic-steel doors and windows made out of a new chemical building material are known as the fourth-generation energy-saving products recommended to use by Ministry of Construction of PRC, after wood doors and windows, steel doors and windows and aluminum doors and windows. Plastic-steel doors and windows are made from plastic profile which is cut, welded after installing with reinforced steel and decorated with sealing strips, wool tops, hardware fittings and other parts.
However, it becomes more and more popular due to attractive appearance, strong anticorrosion, watertightness, heat insulation property and easy maintenance.