Plastic steel doors and windows are now more popular material of the doors and windows, steel doors and windows durable, the price is relatively easy to be accepted. Buy plastic steel doors and windows to be careful, to see if the surface is shiny, the toughness of the material is good, the purchase and acceptance should pay attention to the following:
Brand Shop: Jiaji Doors, Gold Ship Doors and Windows
1, do not buy cheap plastic steel doors and windows.
2, pay attention to glass and hardware. The glass should be smooth and dry. The glass and plastic profiles are not in direct contact and there is a sealing bead that closes the gap. The hardware is complete, the position is correct, the installation is firm, and the use is flexible.
3, doors and windows surface should be smooth and smooth, no open welding fracture. The sealing strip should be flat, without curling, no groove removal, and no smell on the strip. When the doors and windows are closed, there is no gap between the fan and the frame.
4, four doors and windows are connected to a whole, no screw connection.
5, sliding doors and windows open sliding freely, the sound is soft, no dust off.
6. Special steel linings are embedded in the window frames and fan profiles.
7. The glass should be flat and securely installed. The installed glass does not directly contact the profile. Glass glue cannot be used. If it is a double glass flat layer, there should be no dust and moisture in the interlayer.
8, switch parts close tight, flexible switch.
9. The steel doors and windows are processed in the factory workshop with professional equipment and cannot be framed at the construction site.
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