Plastic-steel doors and windows are a special product. From the production of profiles to the assembly of windows, they are all assembled at the assembly plant. As long as the installation conforms to the specifications, it is difficult and impossible for consumers to check the quality of doors and windows. However, this does not mean that consumers cannot make plastic steel doors and windows. Inspections can only be "accepted by fate." Here are some simple ways that consumers can check the quality of a profile, especially the quality of an installation, simply by visually checking or borrowing a simple tool such as a tape measure.
Look at the window surface:
The window frame should be clean, smooth, smooth, no scratches on the large surface, bumps, and no open welding cracks.
Look at the hardware:
The hardware must be complete, the location is correct, the installation is firm, and the use is flexible. It can achieve its own function.
Look glass seals:
The contact between the sealing strip and the glass and glass notch shall be smooth and shall not be curled or grooved.
Look at the seal quality:
When the doors and windows are closed, there is no obvious gap between the fan and the frame, and the seal on the sealing surface should be in a compressed state.
Look at the 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 inside and outside surfaces of the double-glazed glass should be clean. There must be no dust and moisture in the glass sandwich. The partition cannot be tilted.
See the trim:
The bead with sealing strip must be tightly attached to the glass. There is no obvious gap at the joint between the bead and the profile. The gap at the joint should be less than or equal to 1 mm.
See spelling materials:
Scrapping material should be closely connected with the window frame, sealed with caulking paste at the same time, and should not be loosened. 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 hole.
Look at the switch part:
Swing, push, pull or rotate windows should be closed tightly.
Look at the box and the wall connection:
The window frame shall be horizontal and vertical, and the height shall be the same. The spacing between the fasteners shall be less than or equal to 600 mm. The frame shall be firmly connected to the wall, the gap shall be filled with elastic material, the surface shall be sealed with sealant and shall be free of cracks.
Look at the drain hole:
The position of the drain hole should be correct, but also smooth.
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