[China Glass Net] Doors and windows are divided into envelope members or partition members according to their location. Different design requirements have the functions of heat preservation, heat insulation, sound insulation, waterproof and fire prevention. The new requirements are energy saving and cold. The heat lost in the area by the gap between the doors and windows accounts for about 25% of the total heating consumption. The requirements for the tightness of doors and windows are an important part of energy-saving design. Doors and windows are an important part of the building envelope system. Because home windows and doors should be replaced for various reasons, what should you pay attention to when changing windows and doors?
1. During the decoration, since the window removal process will destroy the indoor and outdoor walls, it is better to replace the doors and windows first, and then proceed to the next renovation. The owner should clearly select which brand of profile? The profile of the profile will determine the grade of the entire door and window, sealing and aging issues, buyers should not be blinded by the concept of "low-cost plastic steel doors and windows" in the market.
2. When purchasing, you must go to the formal building materials market. The roadside stalls have simple processing equipment, and the accuracy and strength cannot be guaranteed. Especially for plastic steel doors and windows, the steel lining steel they made is of inferior quality, even without lining steel, and other accessories are also very poor.
3, the appearance of plastic steel doors and windows should be blue and white. The color is too white or gray, indicating that the stable components in the material are not enough, and it is easy to age and turn yellow.
4. Check if the hardware is flexible and smooth.
5. There should be aluminum slide rails in the lower part of the sliding window frame to facilitate replacement.
6. The sealing strip of the casement window should be freely replaceable because the seal is shorter than the life of the window.
7. There should be a fixing piece in the middle of the sealing top of the sliding window sash, which is the key to the sealing performance of the sliding window.
8. During the installation process, the horizontal and vertical alignment of the doors and windows should be supervised. The squeegee is filled between the window frame and the wall, and the inner and outer sides of the window frame must be sealed with silicone copper or sealant to prevent water seepage. After the installation is completed, the protective film must be removed, otherwise the life of the doors and windows will be reduced.
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