Many homes need to install doors and windows (door and window decoration renderings) during the renovation. After the doors and windows are installed, they need to be carefully checked and found and repaired. General door and window acceptance is mainly from the following aspects. 1, check the window frame vertical level The verticality of the door and window frame is preferably measured by a horizontal ruler, or a wire hammer, etc., the height of the door and window is less than 2 meters, and the verticality error should be less than 2 mm; when the height of the door and window is more than 2 meters, the error should be less than 3 mm; the level of the door and window frame It is best to use the level to measure, or to fill the glides in the door and window frame. If the water surface is kept at a horizontal line, the door and window frame level; otherwise, the door and window frame is not installed horizontally; Whether the water level at the end is horizontal. 2, check the quality of glass installation The glass should be flat, no spots, no water lines; the inner and outer surfaces of the double-layer glass should be clean, there should be no dust and moisture in the glass interlayer, and the spacers should not be lifted. The bead with the sealing strip must be in close contact with the glass. There is no obvious gap between the bead and the joint of the profile. The gap at the joint should be less than or equal to 1 mm. 3. Check the strict density of the frame and the fan The joint between the door and window frame and the fan page should be tight, and there should be no obvious gap at the joint of the fan seal. When the door and window are closed, there should be no obvious gap between the fan and the frame, and the sealing strip on the sealing surface should be in a compressed state. [ Follow the WeChat public account "Jiuzhengmen Window Network"; pay attention to courtesy, scan code to send millions of business opportunities! Jiuzhengmen window network exchange group ] Aluminum Panels,Panel De Aluminio Compuesto,2Mm Acp,2Mm Acp zhejiang kangzhan new materials co.,ltd , https://www.mcbondacp.com