With more and more home improvement, the quality of doors and windows can also be self-checked. Xiao Bian introduces you to several simple methods for checking the quality of doors and windows.
1. Window surface: The window frame should be clean, smooth, smooth, no scratches, bumps on the large surface, and there should be no open welding cracks on the profile.
2. Hardware: The hardware must be complete, the position is correct, the installation is firm, and the use is flexible. It can achieve its own function.
3. Glass seals: The contact between the sealing strip and the glass and glass notches should be smooth, and must not be crimped or grooved.
4. Sealing quality: When the doors and windows are closed, there is no obvious gap between the fan and the frame, and the sealing strip on the sealing surface should be in a compressed state.
5. Glass: The glass should be flat and securely installed. There should be no looseness. The single-layer glass must not be in direct contact with the profile. The inner and outer surfaces of the double-glazed glass should be clean. There should be no dust and moisture in the glass sandwich. The partition cannot be tilted.
6. Bead: The bead with seal must be tightly attached to the glass. There should be no visible gap between the bead and the joint. The joint gap should be less than or equal to 1 mm.
7. Scrapping material: Scrapping material should be closely connected with the window frame, sealed with caulking paste, and should not be shaken. The screw spacing should be less than or equal to 600 mm. Both ends of reinforced steel lined with inner lining should be firmly fixed with the opening.
8. Switch parts: Flat open, push-pull or rotate windows should be closed tightly.
9. The frame is connected to the wall: the window frame should be horizontal and vertical, and the height should be the same. The distance between the fixed pieces should be less than or equal to 600 mm. The frame and the wall should be connected firmly. The gap should be filled with elastic material, the surface seam should be sealed, and there should be no cracks. .
10. Drain hole: The position of the drain hole should be correct, but also smooth.
The quality of windows currently produced in the market is uneven. How to identify the advantages and disadvantages? Mainly from three aspects to observe, that is, profiles, hardware accessories, processing technology.
1. From the aspect of the profile, the surface finish of the profile, the rationality of the cavity structure, the wall thickness of the profile, and the rationality of the profile matching are the standards for measuring the pros and cons of the profile. At present, the profiles used in Shanghai's windows have been manufactured by some designated manufacturers. The basic foreign patented formulas are used, and the quality is stable and reliable.
2. From the aspect of hardware accessories, the advantages and disadvantages of the identification mainly depends on its flexibility, sealing, wear resistance and corrosion resistance. The accessories mainly consider lining steel placed in the cavity of the profile. Good lining steel should be galvanized A3 steel with a wall thickness of at least 1.2 mm. At present, some production booths often use lining steel to reduce prices, solicit business, and deceive consumers.
3. From the processing technology, it is mainly to look at the quality of the appearance of doors and windows, the accuracy of the processing size, the level of angular strength, and the use of hardware accessories supporting the rationality.
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