There is an old saying in the door and window industry, which is called three-point quality and seven-point installation. This sentence vividly tells the importance of installation in the home life of doors and windows. Today, let's talk about the inspection and acceptance strategy after the installation of doors and windows to ensure that the installation is in place.
Appearance inspection
1. Surface inspection
Look at the gloss of doors and windows from a far away place to see if there is obvious color difference on the surface; Measure the size of doors and windows with a ruler to see if there is any deformation; Touch the surface of doors and windows with hands at close distance, see if it is smooth without scratches.
2. Seal inspection
The contact between the sealing strip and the glass and glazing rebate should be flat, and no curling or groove should be allowed. The layering with sealing strip must be tightly attached to the glass, and there should be no obvious gap at the joint between the layering and the profile, the joint gap should be less than or equal to 1mm.
3. Border check
The installation of the door and window frame directly affects the firmness of the door and window. The inspection of the frame should include firmness, smoothness, sealing and other aspects.
Check the verticality range of the door and window frame with vertical measuring scale. Generally, the allowable deviation of the vertical and lateral verticality of the door and window frame is 2.5mm, and the allowable horizontal deviation of the horizontal frame of the door and window is 2mm, the allowable deviation of horizontal frame height of doors and windows is 5mm, and the allowable deviation of vertical deviation from center of doors and windows is 5mm.
Lock inspection
4. Lock installation inspection
First, check whether the installation position of the next lock is correct and whether it is installed in reverse mode. Then check whether the installation on both sides of the lock corresponds and whether there is any dislocation. Finally, shake the lock by hand to see whether there is any loose phenomenon.
5. Lock usage check
The door lock is switched repeatedly to check whether it can be locked and unlocked smoothly. After the window is locked, push the window by hand to see if it can be locked without sliding.
Door and window use inspection
This is the last step in the installation and acceptance of doors and windows. You can shake the doors and windows back and forth with your hands to see if there are any problems such as abnormal noise; Switch the doors and windows with different forces to see how stressed the doors and windows are; After closing the doors and windows, see how the sealing is. (Generally, the gap between doors and windows and frames is within 2mm).
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Edit: doors and windows online-Yanzi
