The average distance between the door cover and the wall is 2 cm or less. This is normal, and the installation error of the door can be adjusted. If the average gap exceeds 2.5 cm, the measurement size error is abnormal.
You can see the size of the separation from the verticality of the wall. This separation can be bonded with glass glue or painted with putty, otherwise the door will not be installed firmly. Tremor will occur, and there will be long-term security risks such as cracks.
If the space is large, the wall is uneven. You can choose to fill the space with bricks or grouting to ensure that the space between the wall and the door frame is not firm. This is usually a remedial measure after installation. It is best to use size when measuring. Try to keep the spacing between 1 and 2 cm.
If the space between the window frame and the wall is less than 5cm, it can be filled with polystyrene foam and then coated with waterproof glue, which can not only fill the space, but also ensure no leakage.
Treatment method of inner door lower seam:
The size of the door frame and the door do not match, or the installation between the door frame and the wall is not handled properly, and cracks may occur. Car owners with small space can only handle the rubber strips under the door. If the space at the bottom of the door is too large, it is recommended to find a decorator to replace it.