how to install a double hinged door double hinged door shower enclosure aluminium mesh doors bangalore frameless folding glass doors external Aluminum alloy is a good material for windows. It is light, strong, high temperature resistant, corrosion resistant, and will not rust. And the recovery rate is high. Nowadays, most of them use aluminum alloy. Aluminum alloy has many advantages: (1). Convenient processing and industrialization of production. The processing, production, and assembly of aluminum alloy doors and windows can be carried out in the factory, which is conducive to the realization of product design standardization, serialization, generalization of parts, and product commercialization. (2). High strength, good rigidity, sturdiness and durability. (3). Corrosion resistant, easy to use and maintain. Aluminum alloy doors and windows are not rusty, non-fading, the surface does not need to be painted, and the maintenance cost is low. (4). Beautiful color. The surface of aluminum alloy door and window frame materials can be oxidized and colored, and can be painted into silvery white, bronze, dark red, dark gray, brown and other colors or colored patterns. It can also be coated with polyacrylic resin decorative film to make the surface bright. (5). Good sealing performance. Air tightness, water tightness, sound insulation are all good, and heat preservation and heat insulation are good.