The installation of doors and windows looks like a simple job in home renovation, but if the construction will not only cause a lot of problems. The common problems are:

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First, the overall stiffness of the door and window frame

(a) Phenomenon

Sliding or opening doors or windows or encountering windy weather, the door and window frames are shaking.

(b) Reasons

1. Improper selection of profiles, small sections, and insufficient strength. The prevention of aluminum alloy door and window materials does not meet the requirements. Plastic steel door and window material quality failed.

2. Steel lining steel doors and windows are not in line with the standard configuration, (usually steel lining to use 1.20, but because the installation up to the owners can not see. A lot of businesses use unqualified to the owner to install) steel wall thin, poor strength; The lining steel is inserted in sections, which does not form an integral reinforcing effect; the lining steel and plastic profiles are not firmly connected.

3. The installation node is not in accordance with the specification.

4. There are no different fixing methods depending on the different walls.

(III) Measures

1. The specifications and quantity of door and window frame profiles conform to national standards. The thickness of the outer frame of the aluminum alloy profile shall not be less than 2.4 mm. Plastic window material thickness should not be less than 2.5 mm.

2. Check the appearance of plastic profiles. Qualified profiles should be white or ivory white, clean and smooth. Better quality protective film.

3. According to the size of the doors and windows and the installation height, choose the cross-section of the profile. The casement window is not less than 55 series, and the sliding window is not less than 75 series.

4. In strict accordance with the provisions of the provisions of the installation, to ensure solid and stable.

Second, door and window leakage

(a) Phenomenon

1. Leakage between the door frame and the surrounding walls.

2. Sliding window The water in the slide tank penetrates into the window.

(b) Reasons

1. Door and window frames and walls are cemented with cement mortar.

2. The gap between the window frame and the wall is not strict and there is a gap.

3. The doors and windows are not qualified, and the combination of window frames and sashes is not strict.

4. The sash seal is not installed and the water seeps through the window sash.

5. The window frame has no drainage holes.

(III) Measures

1. Door and window frames and walls shall not be caulked with cement mortar. Should be flexible connection, sealed with sealant, no gaps.

2. Check whether the doors and windows are qualified before installation, whether the combination between the window frame and the sash is strict, and whether the sealing of the window sash is qualified.

3. There is more than 50 mm gap between the window frame and the hole to enable the window sill to be a water flow slope.

4. Drain holes should be drilled in the bottom frame of the frame and the track root.

Third, the color difference between doors and windows

(I) Phenomenon: Inconsistent colors of adjacent windows, doors or frames and fans.

(B) Reason: The material is not the same factory product, or the same batch of products, or different grades of products.

(III) Measures

1. Use the same manufacturer's product for the selected profile, and prepare enough material once.

2. Pay attention to the color of ingredients before cutting, and avoid using materials with large color difference in the same door and window.

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