Top ten precautions for home improvement waterproof materials

1. How to budget the amount of waterproof material used?

To calculate the required quantity of waterproof coating, multiply the area that needs waterproofing by the amount of paint needed per square meter. This helps ensure you have enough material without overbuying.

2. What is the average consumption per square meter for different types of waterproof materials?

According to Yuhong brand's instructions, here are the typical material requirements for a 1.5mm thick coating:

(1) Acrylic: approximately 3 kg/m²

(2) Polyurethane: about 2 kg/m²

(3) Polymer cement: around 3 kg/m²

(4) Flexible cement mortar: roughly 3 kg/m²

3. What should I consider when buying waterproof materials?

The building materials market can be quite unregulated, with many fake or low-quality products available. It’s best to choose well-known brands that have environmental certifications like China Environmental Labeling or CTC. These certifications ensure the product meets safety and quality standards.

Also, pay attention to the manufacturer’s service policies. Reputable companies usually offer good pre-sale, sale, and after-sales support, which can be very helpful during installation and maintenance.

4. Why is it better to buy from a building materials supermarket?

Supermarkets typically have clear pricing, reliable supply chains, and fewer counterfeit products. They also make returns and exchanges easier if something goes wrong, making them a safer choice for homeowners.

5. What is the cost-performance ratio of different waterproof coatings?

Most waterproof coatings on the market that meet national standards are suitable for home use. Each has its own strengths:

- Polyurethane offers excellent elasticity and durability but is more expensive and takes longer to apply. Be cautious—many products labeled as "polyurethane" may not be pure.

- Acrylic is easy to apply, eco-friendly, and reasonably priced, making it a popular choice for residential projects.

- JS coatings are flexible, non-toxic, and ideal for areas that require some movement.

- Cement-based mortars are strong and bond well with the surface, allowing tiles to be directly placed on them. However, they are rigid and not suitable for new homes that might settle over time.

In summary, polyurethane offers the best performance, acrylic and JS coatings provide the best value, and cement-based coatings are practical and cost-effective.

6. What are the main factors to consider when purchasing materials?

The primary concerns should be the waterproofing effectiveness and environmental safety. Since waterproofing is a hidden project, once applied, it’s hard to replace. Using toxic materials can lead to long-term health risks, so environmental protection is just as important as performance.

7. How to buy environmentally friendly waterproof coatings?

Purchase from certified suppliers in formal building materials stores. Look for products that have passed the China Environmental Labeling Certification and CTC certification to ensure they are safe and high quality.

8. How to tell if a waterproof coating is genuine?

Check the packaging for clarity, correct branding, and proper labeling. Genuine products will have clear information on the product name, weight, origin, and certifications. Many reputable brands include anti-counterfeit features, so be sure to look for those.

9. How to avoid being tricked when buying polymer polymer materials?

Be cautious of products that claim to be "polymer polymer" but aren’t actually JS waterproof coatings. Some manufacturers mislead buyers by using confusing names like "GS high molecular materials." These products often have lower quality and higher prices. Always verify the product type before purchasing.

10. How to determine if a waterproof material is of good quality?

A good waterproof material should be smooth, without sediment or clumping. It should also have a mild smell rather than a strong chemical odor. Additionally, it should be easy to apply and spread evenly.

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