1. Pay attention to whether the product is a qualified product from a legitimate manufacturer. Nowadays, waterproof coatings on the market are mixed and of varying quality. They are usually purchased from large building materials markets or legitimate sellers, and the products usually come with anti-counterfeiting checks to verify their authenticity. In addition, owners need to carefully check the production date and shelf life to avoid buying expired products.

2. Purchase waterproof coatings suitable for home waterproofing. There are many types of waterproof coatings with different prices. Novice homeowners are easily misled by merchants and buy products that are not suitable for home waterproofing. The mainstream home waterproof coatings include polymer cement-based waterproof coatings, which are easy to apply, dry quickly, have good waterproof performance, and most importantly, are environmentally friendly, non-toxic, and do not pollute the home environment.

3. The quality of waterproof coating can be judged by the gas in the liquid material. The mainstream waterproof coatings are two-component, and their performance is more stable than that of single component coatings. Usually, excellent waterproof coatings have a weak liquid odor, while inferior waterproof coatings have a strong and pungent odor.