One of the reasons for air leakage in doors and windows is that the profiles of doors and windows are uneven, especially when the window sash is closed, there are some small gaps, which is the root cause of air leakage in the home. So if the profile is uneven, only relevant personnel can be asked to replace the doors and windows. Under normal circumstances, it is difficult to repair it yourself, or you can plug some windproof materials in the air leakage position.
2. The quality of sealing strip is worrying or aging.
Sealing strip is the key to air leakage of doors and windows. At present, the price of sealing strips on the market is uneven. If you are Xiao Bai, it is easy to be sold to you with inferior quality. Generally speaking, qualified tape is usually very tough and wear-resistant, and it is not easy to break, while inferior tape and good quality tape are actually known at the touch. There is also a kind of air leakage, that is, the installation of rubber strips is uneven and bulging, which is in addition to the influence of air leakage.
There is a gap between the window frame and the wall.
In the process of installing doors and windows, many masters will perfunctory things in order to complete them as soon as possible, especially in winter. If this is not carefully checked by the owner, it may really be fooled by the installation master. Especially in old houses, it is necessary to check whether the seal between the window frame and the wall is properly handled after the doors and windows are completed. If there are cracks, the master needs to repair them again. Only when the details are done, the doors and windows will be insulated from rain.
4. The quality of hardware fittings is not up to standard.
Almost every small series of hardware accessories says. Don't be greedy and buy some inferior hardware accessories. In the end, although it saved you a lot of money, the cost of subsequent maintenance and replacement is quite high, and you are still very upset. Therefore, when purchasing hardware accessories, we must strictly grasp the quality. Basically, any problem with hardware fittings will directly affect the air leakage of doors and windows, so please pay attention to these small details!