Complete Guide for purchasing external windows. Co

2022-07-22
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According to experts, there are many window brands on the market now, and there are also some mixed products. If you choose substandard products, after a quarter of use, the surface of the products will turn yellow, blister, and easy to deform and crack. When choosing windows, in addition to selecting surface materials, it also depends on the hardware selected for the windows

according to experts, there are many window brands on the market now, among which there are also some mixed products. If you choose substandard products, after a quarter of use, the surface of the products will be yellowing, blistering, easy to deform and crack. When choosing windows, in addition to selecting surface materials, it also depends on the hardware selected for the windows

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many consumers will replace a group of residential external windows when decorating new houses or transforming old houses. Therefore, all major building materials markets have franchise stores for all kinds of windows. What problems should we pay attention to when selecting external windows? The reporter interviewed experts and insiders of the door and window Association

index 1: warmth retention

in the purchase of windows, consumers should choose windows with good energy-saving and heat preservation performance. The function of energy-saving heat preservation window is to block the outdoor heat energy in summer to save the electric energy consumed by the air conditioner; In winter, the indoor heat energy is left indoors to save the energy and cost consumed by heating. In the north, the wind and sand are heavy, and many families are closing their balconies, especially when improving the utilization rate of balconies and ensuring the temperature and cleanness of balconies, plastic steel windows have become the preferred products. Plastic steel windows can be divided into single glass (single glass) and double glass in appearance. If the requirements for thermal insulation are not high, it is OK to choose a single glass plastic steel window; If the requirements for thermal insulation are very high, such as using the balcony, it is more appropriate to choose double glass plastic steel windows to ensure the temperature in the balcony

index 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 external window of ordinary buildings is an important channel for the upward spread of the fire. Therefore, improving the fire prevention capacity of the external windows of the building in advance and effectively preventing the rapid spread of the fire have become important measures to reduce fire losses and casualties. Mr. Zhuang Dajian of Guangdong Jingang glass technology company said, “ King Kong ” The fireproof glass can remain unbroken for more than 60 minutes under the impact of 1000 ℃ flame. Therefore, the steel frame and “ King Kong ” Research and development of new glass combination technology “ Steel fireproof window ” It will greatly increase the overall fire performance of the building. Mr. Zhuang calculated the account: “ The door and window area of a 100 square meter residence is about 10 to 15 square meters. Compared with other glasses, each household only needs to spend 3000 to 5000 yuan more to install fire-proof glass, but the safety guarantee for the safety of family life and property is far from thousands of yuan& rdquo;

index 3: stability

according to experts, there are many window brands on the market now, including mixed products. If you choose substandard products, after a quarter of use, the surface of the products will be yellowing, blistering, easy to deform and crack. When choosing windows, in addition to selecting surface materials, it also depends on the hardware selected for the windows. The hardware of high-end windows are mostly made of metal, which can directly affect the performance of windows. In addition, it also depends on the assembly quality of the window

index 4: sound insulation

the reporter learned from the market that there are many kinds of building external windows. The building external windows with sound insulation function adopt hollow structure, which generally adopts two layers of float glass with strong texture, durability and wind pressure resistance, and some adopt hollow structure of more than two layers of glass in order to enhance the sound insulation function. It is understood that windows with two layers of insulating glass will be sealed with a circle of rubber strips and two circles of wool strips at the junction of the frame glass and the profile, so as to improve the tightness of the windows and achieve the purpose of enhancing the sound insulation function

indicator 5: safety

first of all, we should choose products of regular brands, and pay attention to check whether the manufacturer of the product has the qualification of legal production license and whether its products have “ QS” Signs and environmental protection signs. Before installation, pay attention to check whether the window frames and sashes are regular, whether the joints are firm, whether the glass is complete and whether there are obvious ripples, whether the handles and metal fittings are firm, whether the surface of hardware should be fine and not rough, the distance between double glasses should not be less than 8mm, whether the drainage holes are blocked, and whether the sealing rubber strip has a pungent smell. After installation, pay attention to check whether the whole window is deformed, whether the window sash is flexible to open, whether the window is firmly connected with the wall, and whether there is any gap, and timely remove the protective film pasted on the surface of the window material. In addition, residents living in buildings with more than seven floors are not allowed to install windows with outward opening sashes, so as to avoid the strong wind blowing down the sashes

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