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Today, the new UPVC Profile Door & Window has a staggered design of the drainage groove 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 rainwater from flowing into the room from the hole.
Windows play a key role in lighting, ventilation and heat preservation, and their quality cannot be ignored. There are currently three styles of UPVC Profile Door & Window on the market: flat opening, top hanging, and push-pull. In terms of color, in addition to ordinary white and brown, colored windows are also not uncommon in the market. Some map windows have brought more personality space to the buyers.
In addition, the high-quality UPVC Profile Door & Window uses excellent flame-retardant materials, which do not support combustion and can self-extinguish once a fire starts; in addition, its interior is a closed multi-cavity hollow structure, which can reduce noise by about 30 decibels; the gaps of doors and windows are all Equipped with soft PVC sealing strip, when closed tightly, it is airtight and airtight. It is understood that the service life of good plastic steel doors and windows can reach 30 years.
Since most of the UPVC Profile Door & Window on the market are assembled doors and windows, it is necessary to distinguish the quality of doors and windows from the details when purchasing. The appearance color of UPVC Profile Door & Window should be blue-white, and the color is too white or gray, indicating that the stable ingredients 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; Other auxiliary materials should be matched with the main profile; the cavity structure of UPVC Profile Door & Window determines its thermal insulation and sound insulation effect; the drainage groove and air pressure balance holes are processed in staggered positions to avoid the direct entry of cold air and dust. The tight UPVC Profile Door & Window drainage holes are equipped with airtight covers, which can prevent rainwater from flowing into the room from the holes; there should be aluminum slide rails at the lower part of the window frame of the sliding window to facilitate its replacement. In general, double pulleys are better than single pulleys. Because the life of the sealing strip is shorter than that of the window; there should be a fixed 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.
