Allowable deviation and inspection method of LY Upvc door and window installation

1. Installation of doors and windows: the gap between the door and window frame and the wall shall be full, and the door and window frame shall be horizontal and vertical with the same height. The installation position of connectors shall be correct, the spacing shall be ≤ 600, the frame and wall shall be firmly connected, the gap shall be filled with elastic materials, and the surface shall be sealed with caulking paste without crack observation
2. The surface of doors and windows shall be clean, flat and smooth, the large surface shall be free of scratches and bruises, and the profile shall be free from open welding and fracture observation
3. The hardware fittings are complete, correct in position, firmly installed, flexible in use, functional observation and measuring with a ruler
4. Sealing strip: the sealing strip shall be in close contact with the glass and the notch, and shall not be exposed outside the frame, and shall not be observed by rolling off the groove
5. Sealing quality: when the door and window are closed, there is no obvious gap between the door and the frame, and the sealing strip on the sealing surface is under compression
The installed glass of single glass shall be flat and firm, and shall not directly contact with the profile, and shall not be loose. The internal and external surfaces shall be clean.
5. Observe that the double glass should be flat and firm. The cushion block should be installed firmly and correctly without looseness. The inner and outer surfaces should be clean. There should be no dust and moisture in the interlayer. The setting of the spacer between the double glasses should meet the design requirements.
6. Observe the pressure strip with sealing strip. The pressure strip must be fully pressed against the glass. There should be no obvious gap between the pressure strip and the profile. The joint gap should be ≤ 1mm
7. Observe that the splicing material shall be tightly connected with the window frame without looseness. The screw spacing shall be ≤ 600. Both ends of the lined reinforced steel shall be firmly fixed with the opening. The splicing material and the window frame shall be sealed with caulking paste. 8. Observe that the flat door and window sash is closed tightly, the overlapping amount is uniform, and the switch is flexible. The sealing strip shall not be out of groove. The switching force: the flat hinge shall be ≤ 80N, 30n ≤ the sliding support hinge shall be ≤ 80N
9. Observe that the sash of the sliding door is tightly closed, the overlap between the sash and the frame meets the design requirements, and the switching force shall be ≤ 100kN (observation, depth ruler, spring)
10. The drainage hole is unblocked and in correct position.

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