After reading this, you know how important it is to be waterproof!

There are two reasons why waterproof is a problem: one is that the workers are not doing well, and the other is that the waterproof material is of poor quality. Xiao Bian today took this issue separately and talked. Types of Waterproof Materials Waterproof materials can be classified according to their characteristics: rigid waterproof, flexible waterproof, and rigid flexible waterproof. 1, rigid waterproof refers to the waterproof layer when the tensile force is greater than the tensile strength of the waterproof material (including settlement deformation, temperature differential deformation, etc.), the water layer occurs brittle cracking caused by leakage of water, known as rigid waterproof. Generally refers to the roof fine stone concrete waterproof layer waterproof mortar waterproof layer, thin layer of inorganic rigid waterproof layer. 2, flexible waterproof refers to the waterproof layer when subjected to external forces, the waterproof material itself has a certain degree of stretching ductility, can resist the cracking of the base layer within the elastic range of waterproof material, showing a certain degree of flexibility. Such as rubber waterproof membrane, waterproof polyurethane coating, modified asphalt waterproof and polymer waterproof material. 3, rigid flexible waterproof market, there are sales of this material, including some businesses also have a large area of ​​speculation, and even prices are more expensive than other materials. In fact, in Xiaochao Xiaobian's view, this is just a concept of the business, it is purely misleading consumers, do not have to believe, because the waterproof material is just just, soft is soft, not just both soft and soft. Which kind of waterproof material is better? Waterproof materials have a wide variety of products on the market. Which one is right for you? 1. There is no absolute comparability between rigidity and flexibility, and there is no obvious good or bad. 2. In southern China, due to the relatively small temperature change, it is recommended to use rigid waterproof; in northern China, due to the large temperature changes, flexible materials are recommended. 3, Xiao Bian suggested that you use waterproof material with obvious color, when brushing, if there is a missing area, it is easy to see; if you use the same color and cement coating, it is difficult to distinguish which parts are not painted.

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