Precautions for purchasing broken bridge aluminum doors and windows and system doors and windows!
Release time:
2021-09-04
Below, I will introduce to you the precautions for purchasing broken bridge aluminum doors and windows and system doors and windows! Do you know? Come and listen to me!
Below, I will introduce to you the precautions for purchasing broken bridge aluminum doors and windows and system doors and windows! Do you know? Come and listen to me!
1. Profile thickness
The thickness of the profile for broken bridge aluminum doors and windows must be ≥ 1.4mm, and the thickness must not be less than 1.4mm. The thickness of system doors and windows cannot be less than 1.6mm. The thickness of the system door and window profile for conventional manufacturers is 1.8mm. If it is a door, the thickness should not be less than 2mm.
2. Production process
In addition to the thickness of the profile, the manufacturing process of broken bridge aluminum doors and windows is also important, mainly reflected in two aspects: corner joints and rubber strips. The connection between the two corners of a good window will be made through aluminum corners. After extruding the profiles and corners using the corner assembly machine, inject two components of adhesive to solidify the corner frame. If the window does not have a corner corner or if the window corners do not have or do not have curing adhesive, it is recommended not to purchase the window. Of course, in addition to visual observation, you can also touch the seams in the corners with your hands. Usually, the smoother the corner seam, the better the machining quality of the corner.
In addition, to ensure the sealing of the windows, a large amount of rubber dense rubber strips are used for the doors and windows of the system. Good sealing strips are usually elastic, black and bright in color, and are not easily deformed.
3. Market price
The price of broken bridge aluminum doors and windows is generally not less than 500 per square meter. The price of system doors and windows will not be less than 750 yuan/square meter, and the starting price of system doors and windows from legitimate manufacturers is 900 yuan/square meter.
4. Glass material
Tempered glass certified by CCC shall be used for glass. The types of glass include low radiation (infrared isolation), laminated glass (suitable for sunrooms), coated glass (colored), and insulated glass. Usually, the glass for system doors and windows is tempered hollow glass, with parameters of 59A 5, 512A 5, or 518A 5 (5mm glass 9/12/18mm hollow 5mm glass). Another thing to note is that the quality of domestic glass is better than that of imported glass.
5. Hardware accessories
Hardware accessories will directly affect the service life of broken bridge aluminum doors and windows, so do not save money on hardware. Hardware accessories include handles, hinges/hinges, crescent locks, lock seats, and screws. When choosing hardware, please make your selection based on your budget. The editor with a higher budget suggests that you first choose a well-known brand. The price of domestic hardware is generally between 400-600 yuan/set, while the price of imported hardware is generally above 700 yuan/set.
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