In many cases, many people buy a house, and after a few days of happy decoration, they will crack the wall and leak water, which is very headache. In fact, this phenomenon is due to the lack of water and leakage prevention during home decoration, the use of its waterproof coating is not good enough, here is a small series here to tell everyone what is waterproof coating, and the type of waterproof coating, I hope everyone Can be taken as a warning.
- What is waterproof coating
It is well known that paint, also known as paint, is a continuous film that is applied to the surface of a protected or decorated object and that forms a strong bond with the object to be coated. The waterproof coating is formed by a solvent or moisture volatilization or a chemical reaction of two components to form a film to isolate the surface of the building from water, thereby making it waterproof and sealed.
The waterproof film formed by the waterproof coating waterproof coating has crack resistance, impermeability, weather resistance, elongation and elastoplasticity, and can play a waterproof, impervious and wall protection role.
——What are the waterproof coatings?
At present, there are two major types of waterproof coatings in the coating industry, one is polyurethane waterproof coating; the other is polymer cement based waterproof coating.
Polyurethane waterproof coating: This material is usually made of polyurethane and coal tar as raw materials. Because of the high toxicity of the pyrophoric oil, it was banned in China in 2000. For example, the polyurethane waterproof coating sold on the market today uses asphalt instead of coal tar as a raw material, but it is diluted with an organic solvent such as toluene or xylene during use, so it also has certain toxicity.
Polymer cement-based waterproof coating: This waterproof coating is composed of a variety of water-based polymer emulsions and high-quality cement with various additives. It is a technical improvement of polyurethane waterproof coating. The construction is convenient, the construction period is short, the comprehensive cost is low, and it is non-toxic and environmentally friendly. Therefore, it is also the protagonist in the current waterproof coating market.
Of course, in addition, if the waterproof coating is divided according to the state and form, it can be divided into four types: emulsion type, solvent type, reactive type and modified asphalt. The four types of waterproof coatings have their own characteristics. Depending on the function of the room.
If you want to do a good job in home waterproofing, in addition to choosing the appropriate waterproof coating, the correct construction method is also the most important place in the home waterproofing project. Only by doing these two things, then the wall cracking and water leakage, etc. Will be able to pass all the way behind.
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