Questions and answers about home improvement waterproofing


Waterproofing in home decoration is of paramount importance. The best standard for waterproofing is to build a lifetime waterproofing. So what should be understood about waterproofing in home renovation?

1. What kind of waterproof materials are there in the market?

Nowadays, there are no more than one hundred kinds of waterproof materials on the market, and the materials that are really relevant to us are about three or four. In terms of the building materials market (supermarket), there are mainly: 1 polyurethane type 2 acrylic 3 polymer polymer type 4 cement mortar.

2. What is the performance comparison of various waterproof materials?

What are the characteristics of these four types of waterproof coatings in terms of waterproof performance, cement mortar 3, polyurethane waterproof coatings?

Polyurethane coating is known as “liquid rubber” and is one of the best waterproof coatings at present. The coating film is tough, has high tensile strength, good elongation, corrosion resistance, strong resistance to structural deformation and deformation, and has a long service life.

4. What are the characteristics of acrylic waterproof coatings?

Acrylic was also the first and largest application in environmentally friendly paints and coatings. The biggest feature of this material is that it can be diluted with water, water-soluble material, and colorless and odorless (paint can be added with various colors according to the needs of the coloring agent), but the conjunctiva is indeed an extremely dense waterproof material. Therefore, the current paint is basically no previous paint smell (previously it was blended with gasoline or thinner). This material has considerable elasticity and ductility after conjunctiva, which determines that it does not break with settlement and dislocation of the substrate. This material is currently priced at the right price and is the first choice for home improvement waterproofing materials.

5. What are the characteristics of polymer polymer coatings?

Polymer cement waterproof coating (referred to as JS waterproof coating) is a liquid material and matching materials which are optimized by combining synthetic polymer emulsion (such as polyacrylate, polyvinyl acetate, styrene-butadiene rubber emulsion, etc.) and various additives. The two-component waterproof coating made of powder (composed of special cement, quartz powder and various additives) is a waterproof material with softness and softness. This kind of material is environmentally friendly, has strong adhesion to the base surface and is fast drying, but it is mostly a two-component material. It is necessary to guide the proportion of liquid materials and powder materials according to the instructions. The important point is that if some manufacturers add too much material The talcum powder will greatly reduce the material properties, and should choose the products produced by the brand manufacturers.

6. What are the characteristics of mortar waterproof coatings?

The mortar type waterproof coating is an organic emulsion material composed of an acrylate emulsion and a plurality of fillers, and an inorganic powder composed of a special cement and a plurality of fillers, and a two-component water-based waterproof mortar prepared by a certain ratio. This kind of paint belongs to water-based paint, non-toxic and harmless, and is non-polluting. It is a true environmentally-friendly paint. It can be directly applied to the concrete surface and firmly bonded. It is easy to construct and is not limited by the moisture content of the base layer. It is fast drying and setting time. Short, the tiles can be applied to the surface after 2 hours of construction. However, since this kind of material is a rigid waterproof coating, it lacks elasticity after film formation, and it will affect the waterproof effect with the settlement and dislocation of the building, and is generally suitable for a relatively stable structure.

7. Why are waterproof materials classified as rigid and flexible?

Waterproof materials are classified into rigidity and flexibility according to their characteristics. Rigid waterproof materials generally refer to cement mortars. After they form a waterproof layer, they have high resistance to pressure and impermeability, but they do not have extensibility, and their ability to resist structural tensile changes is not high. The flexible material has good elastoplasticity and elongation and can adapt to partial deformation of the structure. Therefore, for home decoration, flexible waterproof materials should be used as the main material for construction.

8. What is the most respected waterproof material in home waterproofing?

Based on a comprehensive analysis of various aspects of information and supermarket sales, the most respected waterproof coating on the market is acrylic waterproof coating.

9. Is the water-based waterproof coating necessarily an environmentally friendly coating?

no. Most of the waterproof coatings on the market are water-soluble materials, and various businesses have also claimed that water-soluble waterproof coatings are environmentally friendly materials, and most of them are called oil-soluble waterproof coatings that are not environmentally friendly. In fact, this statement is inaccurate. Whether it is water-soluble or oil-soluble is not the standard for judging environmentally friendly coatings. Whether it is water-soluble or oil-soluble waterproof coating, as long as it has passed relevant national environmental certifications, such as China's environmental label certification, these materials are Environmentally friendly and reliable, everyone can use it with confidence.

10. Why does the home waterproofing not use waterproofing membranes?

In theory, a continuous complete waterproof layer has the best waterproofing effect, and the coating can achieve this. And the kitchen and bathroom area is small, the structure is more complicated, and it is not suitable for coil construction.

11. What is the scope of plugging treasures used for? What is its role? Can it be used as waterproof?

Plugging treasure is defined as rigid waterproof. There are two types of plugging leaks: quick setting and retarding type. The quick setting type is generally used for the repairing of the kitchen bathroom, and the retarding type can be used as a rigid waterproof material, but because it does not have any elasticity, it is easy to crack and form a leak. Especially in the climate with large temperature difference in the north and large dry and wet changes, it is not recommended to be used as the main waterproof layer.

12. Can plugging the grease directly replace the cement directly?

It can be used instead of cement to bond tiles, but the base layer must be kept moist and free of clear water.

13. Can the granules of the plugging products be used normally?

This kind of product is cement-based. If it is improperly stored in the shelf life, it is easily affected by the external environment, especially the moisture, which causes the product to have granular agglomeration. If it is agglomerated, it has affected the performance of the product itself. Try not to continue using it, so as not to be invalid after use.



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