Renovation is a very complicated thing, especially to choose materials. For the choice of aluminum alloy doors and windows, you may also be somewhat strange. The following small series will introduce you to its technical specifications and purchase points. Let's take a look. Aluminum alloy doors and windows engineering technical specifications The technical specifications of aluminum alloy doors and windows are the standard specifications formulated by the state for aluminum alloy doors and windows in order to regulate related construction. It is mainly carried out from the aspects of material, design, production, installation, engineering acceptance and maintenance of aluminum alloy doors and windows. Relevant regulations. How to choose the right aluminum alloy doors and windows 1, complete documents Metal door hinges or aluminum alloy doors and windows produced by regular manufacturers have legal procedures, and the relevant product accessories certificates are also complete. This includes product qualification reports, performance test reports, invoices, etc. These are not only “identity cards†for aluminum alloy doors and windows, but also strong evidence of rights protection. 2, the details of work The finest aluminum alloy doors and windows are made of high-quality craftsmanship. The details are basically processed by precision instruments, and the edge lines are quite neat. When inspecting the details of aluminum alloy doors and windows, it mainly proceeds from its air tightness, water tightness, pressure resistance and wind resistance. Especially for air tightness, the best way to detect it is to use a solid color curtain to check if the curtains behind the window are moving when the wind is blowing. 3, material materials The material of the aluminum alloy window mainly includes aluminum and glass. When inspecting the frame metal of the window, you can use a sandpaper to polish a layer to see if the materials in the table are consistent. In the case of glass, it is seen through the window in a slightly dim environment to observe the transparency of the glass. Cummins Parts,Cummins Spare Parts,Cummins Performance Parts,Original Cummins Parts JINING SHANTE SONGZHENG CONSTRUCTION MACHINERY CO.LTD , https://www.sdkomatsuloaderparts.com