The most common eight problems and reasons for wallpaper:
First, the empty drum:
Reason analysis: 1. The air is not completely discharged during construction. 2. The thickness is uneven when applying glue. 3. The wall is not flat. 4. The wall is damp.
Second, the wallpaper is curled:
Reason analysis: 1. The base layer and the powder layer are not treated cleanly. 2. The wall is wet 3. The adhesive used for the paste is unqualified. 4. The range of the amount when the angle is wrapped is too small.
Third, fade:
Reason analysis: 1. The material of the wallpaper itself is poor 2. It is often exposed to sunlight 3. The color of the base layer is inconsistent
Fourth, the gap from the paper:
Reason analysis: 1. No good seams 2. Measurement is not standard: 3. There is no one-off cutting when cutting wallpaper. 4. If it is PVC paper, it may lead to the loss of paper when it is stretched.
Fifth, the wallpaper is moldy:
Reason analysis: 1. The anti-mold agent of the wallpaper protective layer is less. 2. Before the wallpaper is attached, the wall is too humid. 3. The base film is not evenly coated. 4. The wall powder is not finished, the wall powder itself is of poor quality.
Sixth, the wallpaper is broken:
Reason analysis: 1. The wall itself is not flat 2. There are particles, sand, etc. on the wall 3. The rubber powder is not completely gelatinized
Seven, the adhesion is not enough, the adhesion is not strong:
Reason analysis: 1. Low solid content, too much water added 2. Proportion of glue ratio is not appropriate 3. Wallpaper glue time is too short, and the wallpaper is not completely penetrated, the contact is not tight enough 4. The wall is moist, oily Large amount of 5. Adjusted glue time is too long, has been hydrated 6. Base film is not completely dry 7. The varnish brush is too thick 8. Dry paste will be more sticky, wet paste is less sticky
8. Climate impact:
1. The summer temperature is higher, the wall is dry, and the glue is dry quickly. If the post is slow, it is easy to curl or fall off. 2. The winter temperature is low, the wall cloth and PVC are relatively hard, easy to warp, and the wall cloth softener is used during construction. Handle it.
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