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If the old doors and Windows do not have drainage function, it will bring inconvenience to many families. Nowadays, the new plastic steel Windows have staggered the drainage sink and the air pressure balance hole, which can avoid the direct entry of cold air and dust, and the drainage hole part is equipped with a closed cover, which can prevent rain from flowing into the room from the hole.
At present, there are three types of plastic steel Windows on the market: flat open, overhanging, push and pull. In terms of color, in addition to ordinary white and brown, colored Windows are also not uncommon in the market. Some map Windows give buyers more personality space.
In addition, high-quality plastic steel doors and Windows use excellent flame retardant materials, do not ignite, once the fire can self-extinguish; In addition, its interior is a closed multi-cavity hollow structure, which can reduce noise about 30 decibels; The gaps of the doors and Windows are equipped with soft PVC sealing strips, which are not breathable and ventilated when tightly closed. It is understood that the service life of good plastic steel doors and Windows can reach 30 years.
Be sure to go to the regular manufacturer to buy plastic steel Windows. The price difference of plastic steel Windows sold on the market is very large, the processing equipment of roadside stalls is simple, the accuracy and strength of doors and Windows cannot be guaranteed, and the quality of steel lining is poor, even without steel lining, and other accessories are poor. The regular brand of plastic steel Windows in the regular building materials market is more guaranteed in the quality of profiles.
Because the plastic steel Windows on the market are mostly assembled Windows, it is necessary to distinguish the quality of doors and Windows from the fine points when purchasing. The appearance color of plastic steel doors and Windows should be bluish 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 over time; Check whether the hardware is flexible and smooth; The auxiliary materials such as laminates and seals of plastic steel doors and Windows should be matched with the main profiles; The cavity structure of the plastic steel window determines its thermal insulation and sound insulation effect; The drainage tank and the air pressure balance hole are processed in a staggered position to avoid the direct entry of cold air and dust. The assembled plastic steel window drainage hole is equipped with a closed cover to prevent rain from flowing into the room from the hole. The lower part of the window frame should have an aluminum slide rail to facilitate its replacement, and the double pulley is generally better than the single pulley. Because the seal has a shorter life than the form; There should be a fixed piece in the middle of the sealing tip of the sliding sash, which is the key to the sealing of the sliding window.
When decorating, because the process of removing the window will damage the internal and external walls, it is best to replace the doors and Windows first, and then carry out the next step of decoration. Therefore, when you buy a house, you should look at the quality of doors and Windows, and clearly use which brand of profiles. If you are a buyer, do not be deceived by the vague concept of "high-quality plastic steel doors and Windows" in the building book. Before installing the plastic steel window, it is necessary to determine whether the window is open to the inside or outside, because the plastic steel window installation needs to be fixed by punching holes, once the installation is completed, it is impossible to reinstall. Therefore, you must think carefully before installing. During the installation process, the horizontal and vertical direction of the doors and Windows should be supervised. The window frame should be filled with foam glue between the wall and the window frame, and the inside and outside of the window frame must be sealed with silicon copper glue to prevent water seepage. After installation, the protective film must be removed, otherwise it will reduce the service life of the doors and Windows.