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Family Decoration How to purchase steel Doors and windows ? We know there are many advantages of plastic doors and windows, plastic doors and windows of the ways to purchase it? Buy plastic doors and windows should pay attention to the six. Saw plastic doors and windows profiles Profile good or bad quality, directly determine the pros and cons of windows, doors and windows with low-grade production of low intensity profiles, easily change color, deformation. The requirements of the profiles: 1, Appearance: natural color, smooth surface, uniform. Second, multi-cavity structure: independent drainage cavity and Steel Enhanced cavity, lined to prevent corrosion, and better insulation from noise effects. Third, there is a certain degree of strength and flexibility. Fourth, to prevent lead poisoning, should be used lead-free green profile. Second look door and window accessories Hardware Parts, steel liner, top accessories such as the selection is the key to making high quality windows and doors, plastic doors and windows with hollow Glass When the weight per square meter may exceed 40 kg, therefore, demanding a variety of accessories. Quality components of different manufacturers vary widely, several times the price difference. Use of inferior parts would damage a short time, resulting in sagging sash, sliding fixed, switch lax, poor seal, or even be a security risk, there are many bitter lessons in this regard. Production of plastic doors and windows to see 3 Production equipment and processes determine whether the excellent overall performance of doors and windows. According to national standards, the difference between the diagonal of plastic doors and windows should be controlled within 2-3 mm, and the strict control of process parameters, which requires a certain production equipment and processes to ensure that the quality of excellent staff . Therefore, workshops and regular street manufacturers of steel windows and doors, the quality of a big difference. Installation of plastic doors and windows to see 4 Third of production, seven installation, if not pay attention to installation standards, doors and windows may cause subsequent deformation. The thermal expansion coefficient of steel doors and windows are almost 6 times the steel, window frames and so must be left between the wall joints to prevent thermal expansion and contraction or deformation of housing minor settlement to doors and windows. At the same time to ensure waterproofing, insulation, sound insulation, expansion joints must be filled with elastic material, then sealed Glue Seal. These materials are more expensive, the quality varies widely, installation and shoddy to prevent cutting corners. 5 plastic doors and windows services to see Plastic doors and windows for more than 30 years of life, inevitable in the course of Glass Broken, damaged hardware, etc., and users themselves more difficult, requiring manufacturers to provide long-term comprehensive after-sales service, choose the regular factory certainly much more reliable than the mobile workshop. 6 plastic doors and windows to see the price Price to shop around, but in the same material and performance based on the ratio of the price, if the continuous to be cheap, the price does not compare with the performance trade-off, users always suffer. I am an expert from electricmulticooker.com, while we provides the quality product, such as electric ceramic cooker , China gas electric cookers, electric pressure cookers,and more.
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