According to experts, there are many window brands sold on the market, and there are also products that are mixed. If you use substandard products, after a quarter of a year, the surface of the product will be yellow, and it will be blistering, easily deformed and embrittled. When selecting a window, in addition to selecting the surface material, the hardware used for the window is also selected. Many consumers will replace a group of residential exterior windows when they are renovating a new house or renovating an existing one. Therefore, all major building materials markets have franchise stores with various types of windows. What problems should you pay attention to when choosing outside windows? The reporter interviewed experts and industry insiders of the Association of Doors and Windows. Indicator 1: Warmth In the purchase of windows, consumers should choose windows with good energy-saving and heat-insulating properties. The function of the energy-saving insulation window is to block the outdoor heat energy in the summer to save the power consumed by the air conditioning; in the winter, the indoor heat energy is left indoors so as to save energy and expenses consumed by the heating. Large northern wind and sand, many families in the closed balcony, especially in improving the utilization of the balcony, to ensure the balcony temperature, clean, the plastic window becomes the preferred product. Plastic window can be divided into single glass (single glass) and double glass from the appearance. If the requirement for heat preservation is not high, single glass steel window can be selected. If the heat preservation is very demanding, if the balcony is used up, it is more appropriate to choose the double glass steel window to ensure the temperature in the balcony. Indicator 2: Fire Protection Recently, several high-rise building fires triggered people's concern about the fire safety of windows. The outer window of an ordinary building is the opening of the external protective structure of a building, and it is an important passage for the upward spread of fire. Therefore, improving the fire prevention capability of the building's exterior windows in advance and effectively preventing the rapid spread of fire has become an important measure to reduce fire losses and human casualties. According to Mr. Zhuang Dajian of Guangdong Jingang Glass Technology Co., Ltd., “King Kong†fire-resistant glass can withstand more than 60 minutes without bursting at a temperature of 1000 degrees Celsius. Therefore, a “steel fire window†developed using the combination of steel frame and “King Kong†glass technology is developed. It will greatly increase the overall fire performance of the building. Mr. Zhuang calculated that: “The area of ​​doors and windows of a 100-square-meter residential building is about 10 to 15 square meters. Compared with other glass installations, fire-retardant glass only costs 3,000 to 5,000 yuan more per household, but it is safe for household life and property. The security protection it brings is far from measurable for a few thousand dollars." Indicator 3: Stability According to experts, there are many window brands sold on the market, and there are also products that are mixed. If you use substandard products, after a quarter of a year, the surface of the product will be yellow, and it will be blistering, easily deformed and embrittled. When selecting a window, in addition to selecting the surface material, the hardware used for the window is also selected. The hardware of high-end windows is mostly made of metal and can directly affect the performance of the windows. In addition, it depends on the quality of the assembly of the windows. Indicator 4: Sound Insulation The reporter learned from the market that there are many types of exterior windows in the building, and the exterior windows with sound insulation function use hollow structures. Generally, two layers of float glass with strong texture, durability, and strong wind pressure are used, and some are used to enhance sound insulation. Hollow structures with more than two layers of glass are also used. It is understood that the use of two-story hollow glass windows in the frame glass and profiles at the junction, the use of a circle of plastic strips, two ring tops to seal the way to improve the sealing of the windows in order to achieve the purpose of enhancing the sound insulation. Indicator 5: Safety First of all, we must choose the products of the regular brand. We must pay attention to checking whether the manufacturer of the product has the qualification for legal production license and whether the product has the “QS†logo and the environmental protection logo. Before installation, check whether the window frame fan is regular, whether the joints are firm, whether the glass is complete or not, whether the handles and metal fittings are firm, the surface of the hardware should be delicate and not rough, and the distance between the double glass should not be less than 8mm, whether the drainage hole is blocked, or whether the sealing strip has a pungent nose. After installation, attention should be paid to checking whether there is deformation of the whole window, whether the sash opening is flexible, whether the window is firmly connected with the wall surface and whether there is a firm gap, and whether the protective film attached on the surface of the window material is peeled off in time. In addition, residents who live in more than seven-story buildings should not install windows that are opened outward by window sashes to prevent the sashes from being blown off by strong winds. Doors to buy balcony hardware window glass house interior decoration home decoration glass door
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