(1) Thin coatings such as water-soluble and emulsion-type
1. The variety, quality and color of the materials used must meet the design requirements and relevant standards.
2. The base treatment must meet the requirements of the construction acceptance specification.
3. It is not allowed to drop powder, peel, brush, and bottom.
4. The color is consistent, no blisters, scratches.
5. The phenomenon of returning alkali and biting is not allowed.
6. Plunge, sputum, splashing, etc., if there is no obvious, it is qualified;
7. Spraying spots, brushing and other phenomena, in the 1.5m front view, the spray point is uniform, and the brush pattern is straight and qualified; in the 1m front view, the spray point is uniform and the brush pattern is straight and excellent.
8. The flatness of the top coat and the flatness deviation of the decorative line and the color separation line are ≤ 2 mm for the pass; ≤ 1 mm is excellent.
9. Doors and windows, glass, lamps, etc. should be clean.
(2) Spray-type thick or multi-layer coatings
1. The variety and quality of the materials used must meet the design requirements and relevant standards.
2. The base layer treatment has no delamination, hollow drums and cracks (the area where the drum is not cracked is less than 200cm2, excluding).
3. The surface color is the same, the pattern and color point are evenly distributed, and there is no obvious connection, no leakage coating, through the bottom, falling, no pollution.
4. The width and depth of the grid (seam) are uniform, smooth and smooth, and the corners are neat, horizontal and vertical, and smooth.
5. The surface of the plaster behind the cavity, the box and the pipe is of the correct size, the edges are neat and smooth, and the back of the pipe is flat.
6. The gap between the door, the window frame and the wall is densely packed and leveled; the height of the corner guard material conforms to the construction specifications, and the surface is smooth and smooth.
7. Allowable deviation of verticality of façade is ≤5mm; allowable deviation of surface flatness is ≤4mm; allowable deviation of positive and negative angle of yin and yang is ≤4mm; allowable deviation of vertical and horizontal angle of yin and yang is ≤3mm; allowable deviation of flatness of strip (seam) is less than or equal to 3mm .
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