How to make waterproof putty
In the decoration process, waterproof putty is a commonly used material, mainly used for wall base treatment, with moisture-proof, crack-resistant, water-resistant and other properties. This article will introduce in detail the production method, ingredients and construction points of waterproof putty, and combine it with the hot decoration topics on the Internet in the past 10 days to help readers better understand this material.
1. Main ingredients of waterproof putty

Waterproof putty is usually composed of the following materials, and their ratio and performance directly affect the final effect:
| Ingredients | function | Common proportions |
|---|---|---|
| cement | Provides strength and water resistance | 30%-40% |
| Heavy calcium powder | Adds finesse and filling | 20%-30% |
| quartz sand | Enhance wear resistance | 10%-15% |
| polymer emulsion | Improve adhesion and flexibility | 5%-10% |
| cellulose ether | Moisture retention and thickening | 1%-2% |
2. Production steps of waterproof putty
1.Material preparation: Prepare raw materials according to the above proportions to ensure there are no impurities.
2.Dry powder mix: Mix cement, heavy calcium powder, quartz sand and other dry powder materials evenly.
3.Add liquid ingredients: Slowly add polymer emulsion and cellulose ether solution, stirring while adding.
4.Adjust consistency: According to the construction needs, add an appropriate amount of water to adjust the viscosity of the putty.
5.Leave to mature: The mixed putty needs to rest for 10-15 minutes to allow the materials to fully blend.
3. Key points for construction of waterproof putty
1.Basic treatment: The wall surface needs to be clean and free of oil stains, and the uneven areas need to be repaired and smoothed first.
2.Layered construction: Waterproof putty usually needs to be applied 2-3 times, with the thickness of each coat not exceeding 2mm.
3.Drying time: Wait more than 24 hours after each application to ensure complete drying.
4.polishing: After the last coat of putty dries, sand it with sandpaper until smooth.
4. Hot decoration topics in the past 10 days
Combined with search data from the entire Internet, the following are the recent hot discussions related to waterproof putty:
| topic | heat index | main focus |
|---|---|---|
| Waterproof putty vs ordinary putty | ★★★★★ | Comparison of cost performance and applicable scenarios |
| Environmentally Friendly Putty Buying Guide | ★★★★☆ | Low VOC materials recommended |
| Analysis of causes of putty cracking | ★★★☆☆ | Construction Tips and Precautions |
| Waterproof putty DIY tutorial | ★★★☆☆ | Sharing home-made methods |
5. Summary
The production and construction of waterproof putty need to strictly follow the proportions and steps to ensure its waterproofness and durability. Recent hot topics show that consumers are more concerned about environmental protection, cost performance and construction issues. It is recommended to give priority to brand products when purchasing and strictly follow the specifications to achieve the best results.
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