When installing doors and Windows, pay attention to setting the lintel, if the lintel is not set specifications, it will affect the installation of doors and Windows. So, next for you to introduce the door and window lintel setting specifications.
First, the door lintel set standard requirements
The lintel of the door and window is listed in the masonry section on the construction drawings. According to the range of hole width L(mm), the beam height, beam width, support length and reinforcement are given in turn. The beam width is generally the length of the wall width, as follows:
1. If L is less than 1000mm, the beam height is 120mm and the support length is 240mm.
2. If L is between 1000-1500mm, the beam height is 180mm and the support length is 240mm.
3. If L is between 1500-2000mm, the beam height is 240mm and the support length is 240mm.
4. If L is between 2000-2500mm, the beam height is 240mm and the support length is 240mm.
5. If L is between 2500-3000mm, the beam height is 300mm and the support length is 360mm.
Second, doors and Windows installation precautions
1, replace the Windows and doors first, because the process of removing the Windows will destroy the indoor and outdoor walls, it is best to replace the doors and Windows first, and then the next step of decoration. It is recommended that you choose good quality doors and Windows, because the quality of doors and Windows will determine the grade of the entire door and window, sealing, anti-aging and a series of problems.
2, the purchase of doors and Windows with good precision and strength, the purchase of doors and Windows must go to the regular building materials market, some inferior plastic doors and Windows, lined steel quality is poor, even without steel lining, small section, insufficient strength, other accessories are also very poor.
3. The appearance of some plastic doors and Windows is too white or gray, indicating that the stable components in this door and window material are not enough, and it is easy to age and turn yellow over time.
4, it is very important to check the door and window hardware, hardware is flexible and smooth, the lower part of the window frame should be aluminum slide, the middle of the sash sealing tip should be fixed, which is the key to the sealing of the window.
5, the window frame and the wall should be filled with foam glue, the window frame inside and outside must be sealed with silicone copper glue or sealant to prevent water seepage. In addition, after installation, the user should remove the protective film, which can extend the service life of the doors and Windows.