How to scrape putty: hot topics and practical tips on the Internet
In the past 10 days, discussions about home decoration and wall treatment have been very hot, especially the basic but crucial step of "scraping putty" has become the focus. This article will combine popular topics on the Internet to provide you with a detailed analysis of the correct method of scraping putty, and attach a comparison of structured data.
1. The core steps of putty scraping
1.Basic treatment: Clean dust and oil stains on the wall, and repair cracks and depressions.
2.Mix putty: Add water according to the product instructions and stir until there are no particles.
3.First batch scraping: Use a scraper to scrape thinly at a 45° angle, focusing on covering the uneven areas.
4.Grinding and finishing: After drying for 24 hours, polish with sandpaper until smooth.
5.The second batch of scraping: Repair blisters and scratches, the thickness should not exceed 2mm.
| Tool list | Material list |
|---|---|
| Scraper (20cm/30cm) | Finished putty powder |
| Sandpaper (240 mesh-400 mesh) | Interface agent |
| mixer | Mesh cloth (for crack repair) |
| Backing ruler (2m) | clear water |
2. Top 5 hotly discussed issues on the Internet
| Ranking | question | solution |
|---|---|---|
| 1 | What to do if the putty cracks? | Remove the cracked parts, apply mesh cloth and scrape again |
| 2 | Precautions for winter construction | Keep room temperature >5℃ and extend drying time to 48 hours |
| 3 | Is primer needed? | Must! Improves topcoat adhesion |
| 4 | Tips for dealing with yin and yang angles | Use a special angle scraper tool to do vertical positioning first |
| 5 | Acceptance criteria | Flatness error ≤3mm/2m |
3. Common misunderstandings among novices
1.Blind pursuit of thickness: Excessive scraping in a single batch can easily lead to cracking. The principle of “thin scraping and multiple layers” should be followed.
2.Ignore drying time: If you polish before it is completely dry, the sandpaper will stick.
3.Improper use of tools: A short scraper will leave obvious seams when treating large walls.
4. Suggestions from professional masters
Organized based on popular video content on Douyin, Xiaohongshu and other platforms:
| Skills | Operational points |
|---|---|
| Effortless scraping method | Use your wrist, not your arm, to maintain constant pressure on the scraper |
| seam treatment | Lift the knife slightly every time you close it, and overlap it by 5cm next time. |
| Light detection | Use side lights at night to make it easier to spot uneven spots |
5. Material purchasing guide
Compare recent e-commerce platform sales data:
| Brand | Price(20kg) | Features |
|---|---|---|
| Nippon Paint | ¥45-60 | Good water resistance, suitable for kitchen and bathroom |
| Dulux | ¥50-65 | High environmental protection level |
| three trees | ¥35-50 | Best value for money |
Through the above structured analysis and practical tips, I believe you can easily master the essentials of puttingty. Remember "three parts material and seven parts work", patient and meticulous operation is the key to a perfect wall!
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