When installing doors and Windows, we should pay attention to the setting of the lintel, if the lintel is not set up specifications, it will affect the installation of doors and Windows. Then, the next for you to introduce the door and window lintel setting specification requirements.
One, door and window lintel setting specification requirements
The masonry part of the door and window lintel is listed in tables on the construction drawing. According to the range of hole width L(mm), the beam height, beam width, support length and reinforcement reinforcement are given successively. Beam width is generally the length of the wall width, as follows:
1, if L is less than 1000mm, beam height 120mm, support length 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.
Two, doors and Windows installation precautions
1, the demolition of the window to replace the doors and Windows, because the demolition process will destroy the indoor and outdoor walls, it is best to replace the doors and Windows, and then the next step of decoration. Suggest everybody chooses door window with better quality, because door window quality will decide a series of problems such as grade of whole door window, sealing sex, anti-aging sex.
2, the window of window of precision of choose and buy and strength is good, buy door window must arrive regular building materials market, some inferior plastic door window, lining steel is inferior in quality, do not have lining steel even, section is small, strength is not enough, other fittings are very poor also.
3, some plastic doors and Windows appearance color is too white or gray, indicating that the stable ingredients in the material of this door and window are not enough, easy to aging and yellow over time.
4, check doors and Windows hardware is very important, hardware is flexible, smooth, push window frame lower aluminum slide rail, sash sealing strip should be fixed in the middle, this is the key to push window sealing quality.
5, between the window frame and the wall to be filled with foam, the window frame must be sealed with silicon copper glue or sealant to prevent water seepage. Additional, after installing, the user should uncover protective film, can prolong door window service life so.