The installation of doors and windows is actually not easy. There are many problems to consider. Common problems are:
First, the overall rigidity of the door and window frame is poor
(a) phenomenon
Pushing or opening or closing doors and windows or encountering windy weather, the door and window frames are shaking.
(2) Reasons
1. The profile is not properly selected, the section is small, and the strength is not enough. The prevention of aluminum alloy door and window materials does not meet the requirements. The quality of plastic steel door and window materials is unqualified.
2. The steel lining steel of the steel doors and windows does not meet the standard. (General steel lining should use 1.20, but it cannot be seen by the owner because of the installation. Many merchants use unqualified installation for the owner.) The steel wall is thin and the strength is poor. The lining steel is inserted in sections, and the shape does not form an integral strengthening effect; the lining steel and the plastic profile are not firmly connected.
3. The installation node is not in accordance with the specifications.
4. There is no different fixing method according to different walls.
(3) Measures
1. The specifications and quantity of door and window frame profiles conform to national standards. The outer frame wall thickness of the aluminum alloy profile shall not be less than 2.4 mm. The thickness of plastic window material shall not be less than 2.5 mm.
2. Check the appearance of plastic profiles. The qualified profiles should be blue-white or ivory white, clean and smooth. A good quality film should be provided.
3. According to the size of the door and window opening and the installation height, select the section of the profile. The casement window is not less than 55 series, and the sliding window is not less than 75 series.
4. Strictly install according to the regulations to ensure firm and stable.
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