What to do if the wall cracks after decoration
Cracks on the wall after renovation is a common problem faced by many homeowners. This not only affects the appearance, but may also hide deeper quality problems. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the causes, solutions and preventive measures for wall cracking.
1. Common causes of wall cracks
| Reason type | Specific instructions | Proportion (discussion popularity in the entire network) |
|---|---|---|
| Improper handling at the grassroots level | The wall base has not been cleaned or crack-proofed | 35% |
| Material quality issues | Use inferior putty or paint | 25% |
| Construction technology issues | The putty layer is too thick or the paint is applied before it is dry. | 20% |
| environmental factors | Large changes in temperature and humidity cause material shrinkage | 15% |
| building structure problems | House settlement or structural deformation | 5% |
2. Solutions to wall cracks
Depending on the degree of cracking, treatment methods vary:
| Cracking type | Treatment method | Construction difficulty |
|---|---|---|
| Small cracks (<0.2mm) | Apply topcoat directly after sanding | ★☆☆☆☆ |
| Medium cracks (0.2-1mm) | Remove the cracks and repaint with putty | ★★★☆☆ |
| Severe cracking (>1mm) | It is necessary to shovel down to the base layer and hang the net before construction. | ★★★★★ |
3. 7 key points to prevent wall cracking
1.Grassroots treatment must be in place: Make sure there is no floating dust or oil stains on the wall, and use interface agent if necessary
2.Choose quality materials: It is recommended to use flexible putty and elastic paint
3.Control the construction environment: Temperature 5-35℃, humidity not exceeding 85%
4.Layered construction: The thickness of each putty should not exceed 2mm. Apply the next time after it is completely dry.
5.seam treatment: Nets need to be hung at the intersection of old and new walls and at water and electricity slots.
6.Maintenance period management: Maintain ventilation after construction to avoid rapid drying
7.Seasonal considerations: Try to avoid construction during the rainy season or extremely cold weather
4. Suggestions from professional masters
According to the popular discussions on the decoration forum in the past 10 days, professional masters gave the following practical suggestions:
| Suggested content | support rate |
|---|---|
| Minor cracks can be observed for 1-2 months and then treated after the cracks stabilize. | 78% |
| It is recommended to use anti-split bandages to treat seams | 92% |
| When redoing walls, give priority to elastic materials such as diatom mud | 65% |
5. Consumer Rights Protection Guide
If the cracking problem is a construction quality issue, consumers can:
1. Request rework according to the warranty terms in the renovation contract
2. Mediate through consumer associations or decoration industry associations
3. Keep photos before and after construction as evidence
4. If necessary, you can apply for third-party quality inspection
6. Recommendations for the latest repair materials
| Material name | Features | Applicable scenarios |
|---|---|---|
| Elastic wall patching paste | Strong crack resistance and easy construction | Small crack repair |
| fiber reinforced putty | Contains fiber, good crack resistance | Medium crack treatment |
| Self-adhesive anti-crack mesh cloth | Preventive treatment with long-lasting results | Prevent cracking at seams |
Through the above system analysis, I believe you will have a more comprehensive understanding of the problem of wall cracking after decoration. Whether it’s prevention or repair, choosing the right methods and materials can effectively solve the problem. If you encounter a complicated situation, it is recommended to consult a professional decoration person to ensure that it is handled properly.
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