Residential doors and windows are the important structure of the building envelope, now the family decoration will generally use the broken bridge aluminum alloy window, the installation quality of the broken bridge aluminum alloy window has a great impact on the later use and service life. Therefore, when the doors and windows are installed, we should test the appearance, profile, hardware and opening mode of the doors and windows.
Inspection of broken bridge aluminum alloy window sash
To see whether the gloss and surface of the broken bridge aluminum alloy window have obvious uneven color. Then measure the diagonal lines of doors and windows with a ruler to see if there are scratches.
The contact between sealant and glass and glass notch shall be smooth, and the sealing strip shall not be rolled or grooved. There should be no obvious gap between the bead and the profile, and the joint gap should be less than 1 mm.
Inspection of aluminum alloy window lock for bridge breaking
The hardware of bridge broken aluminum alloy window is related to the safety of doors and windows. When checking the door and window locks, attention should be paid to whether the installation is firm and whether the key can rotate freely.
Installation and inspection of aluminum alloy window lock for bridge breaking
For the inspection of aluminum alloy window lock, first check whether the installation position of door and window lock is correct and whether it is installed in reverse. Check whether the installation of both sides of the lock is corresponding and whether there is dislocation. Then shake the door and window locks by hand to see if they are loose.
Check the use of aluminum alloy window lock for bridge breaking
Check the flexibility of the door lock to see if the anti lock and unlock action can be carried out smoothly; then check the window, close the window lock, push the moving window by hand, and check whether the window can be locked without moving.
Inspection of aluminum alloy window frame with broken bridge
The installation of aluminum alloy window frame directly affects the firmness of the whole door and window. The inspection of door and window frame can be conducted from its firmness, flatness and tightness.
Inspection of vertical flatness of frame
Check the verticality range of aluminum alloy window frame with infrared level instrument. Generally, the allowable deviation of front and side perpendicularity of door and window frame is 2.5mm, the horizontal allowable deviation of door and window transom is 2mm, the allowable deviation of elevation of door and window transom is 5mm, and the allowable deviation of vertical deviation of door and window from center is 5mm.
Check the tightness of the connection with the wall
Check whether the joint between the aluminum alloy window frame and the wall is tight, and whether the sealant at the joint is fully applied.
Service inspection of bridge broken aluminum alloy window
To the last step, the bridge aluminum alloy window opening and use inspection, including whether the door and window open and close smoothly and whether there is abnormal shaking after locking the door and window.
Shake the broken bridge aluminum alloy window back and forth by hand to check whether the doors and windows are in normal use, and feel whether the doors and windows are subject to abnormal resistance and sound during shaking; then change the opening force to check whether the doors and windows can bear different forces.
Close the broken bridge aluminum alloy window and check whether the door and window sash fit with the frame is sealed. The sliding door should be checked to see if it is smooth.
However, it is not enough to check the installation of the aluminum alloy window after the installation is completed. In addition, we should control the construction quality in the construction process, walk and watch frequently, check more and pay attention to it.