XIAMEN KDSBUILDING MATERIAL CO.,LTD
Dec 2021 14
Four standards for installation and acceptance of aluminum alloy doors and windows

Aluminum alloy doors and windows are the connecting channel between each room and the outside world, so the installation quality of aluminum alloy doors and windows is particularly important. However, after the installation of aluminum alloy doors and windows, what points can owners refer to during acceptance to determine whether the installation meets the standard?

1. Use experience:


① Confirm whether the switch of aluminum alloy doors and windows is smooth, such as whether the switch of aluminum alloy doors and windows is smooth and whether the doors and windows will rebound or shake after locking.
② Then shake your hands back and forth to observe whether the stress of aluminum alloy doors and windows is normal, whether they are blocked or make a big noise.

③ Close the aluminum alloy doors and windows and check whether the fitting between the door leaf and the door frame is accurate and reasonable. Generally, the gap between the door leaf and the door frame should not exceed 2mm.


2. Door leaf frame inspection:


The appearance inspection of aluminum alloy doors and windows includes whether there are cracks and deformation on the surface and the installation inspection of window rubber. The following are the specific operations of the inspection:

① Check the sealing strip: the contact between the sealing strip and the glass and the glass notch shall be flat without crimping and grooving. The pressure strip with sealing strip must be close to the glass. There shall be no obvious gap between the pressure strip and the profile, and the joint gap shall be less than or equal to 1mm.


② Check appearance: check whether the gloss and surface of aluminum alloy doors and windows are uneven, whether the surface is smooth, without depression and scratch, and then take a ruler to check whether the overall shape of aluminum alloy doors and windows is deformed.

PS: the surface quality of aluminum alloy doors and windows directly affects the decoration effect of the whole wall after installation. Consumers are advised to check it strictly.


3. Door and window frame inspection:

① Check whether the joint between the door and window frame and the wall is tight. The edge of the door and window frame can be checked by the combination of reflector and expansion pipe.

② The installation of door and window frames directly affects the firmness of aluminum alloy doors and windows in later use, which can be checked from their firmness, flatness and tightness.


③ Check the perpendicularity range of door and window frames with a vertical measuring ruler. Generally, the allowable deviation of perpendicularity of front and side of aluminum alloy door and window frames is 2.5mm, the allowable deviation of horizontal frame is 2mm, the allowable deviation of elevation is 5mm, and the allowable deviation of vertical deviation from the center is 5mm.

4. Check the installation of door lock:

① First, check whether the installation position of door and window locks is correct and whether they are installed reversely. Check whether the two sides of the lock are installed correspondingly and whether there is dislocation. Then shake the door and window lock by hand to see if it is loose.


② Check the flexibility of the door lock and whether the anti lock and unlocking actions can be carried out smoothly; Then check the window, close the window lock, push and move the window by hand, and check whether the window can be locked and not moved.

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