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When choosing doors and windows for home repair, five functions of doors and windows should be paid attention to
It may be the most troublesome time for you to purchase doors and windows for home decoration. After all, doors and windows are sloppy, but so many door and window brands on the market make people dazzled by fireworks. Today, I would like to share with you the functions of selecting doors and windows.
Performance 1: warmth retention
In the selection of windows, consumers should choose windows with good energy-saving and heat preservation performance. The function of energy-saving thermal insulation window is to block the outdoor thermal energy in summer to save the electric energy consumed by air conditioning; in winter, the indoor thermal energy is left in the room to save the energy and cost consumed by heating. If the requirements for thermal insulation are not high, single glass is OK; if the requirements for thermal insulation are high, such as the use of the balcony, to ensure the temperature in the balcony, double glass is more appropriate.
Performance 2: fire resistance
Recently, several high-rise building fires have aroused people's attention to the fire resistance of windows. As the opening part of the building envelope, the common building exterior window is an important passage for the fire jump layer to spread upward. Therefore, it is an important measure to improve the fire prevention ability of building windows in advance and effectively prevent the rapid spread of fire.
Performance 3: stability
Now there are many window brands on the market, including many mixed products. If you choose substandard products, after a quarter of use, the surface of the products will turn yellow and blister, which is easy to deform and crack. When selecting windows, we should not only select surface materials, but also look at the hardware selected for windows. The hardware of high-grade windows is mostly made of metal, which can directly affect the performance of windows. In addition, it depends on the assembly quality of the window.
Performance 4: sound insulation
The building windows with sound insulation function all adopt hollow structure, generally adopt two layers of float glass with strong texture, durability and wind pressure resistance, and some adopt hollow structure with more than two layers of glass in order to enhance sound insulation function. It is understood that the window with two layers of hollow glass will be sealed at the junction of the frame glass and the profile by using a circle of rubber strip and two circles of wool strip to improve the sealing of the window, so as to achieve the purpose of enhancing the sound insulation function.
Performance 5: Safety
After installation, pay attention to check whether the whole window is deformed, whether the window sash is opened flexibly, whether the joint between the window and the wall is firm and whether there is a gap, and timely remove the protective film on the surface of the window material. In addition, residents of buildings with more than seven floors should not install windows with sashes open outwards, so as to prevent the sashes from falling due to strong winds.