Nowadays, many people are not unfamiliar with the external wall waterproofing in the interior decoration. The external wall waterproofing project occupies an important position in the entire building. The external wall waterproof coating can prevent the leakage and erosion of rainwater, domestic water and groundwater sources. , to protect the building structure and the interior from waterlogging annoying, external wall decoration directly exposed to nature, long time withstand wind, rain, sun erosion, requiring external wall waterproof coating with: water resistance, pollution resistance, anti-aging, Color retention, strong adsorption, and good frost resistance, but many people do not know too much about the types and functions of exterior wall waterproof coatings. Which type of exterior wall waterproof coating is better ? The following is a detailed introduction of Xiaobian external wall waterproof coating. I hope that everyone can learn from the selection of external wall waterproof coatings. How to make waterproof outside wall 1, continued irrigation and cold junction Since the continuation of the filling of each layer and the cold connection cannot be expected from the binding effect between the concrete, if the earthquake and the concrete are contracted by a small earthquake, the joint will be cut off, and leakage of rain may occur. 2, cracks in concrete On-site poured concrete, each layer has a continuous irrigation joints or cold joints, prone to cellular or poorly filled parts, the formation of congenital shrinkage cracks. This is especially the case with large-span walls or continuous waist walls that protrude outward from the wall structure. 3, around the opening It is not limited to a concrete structure, and the area around the opening is a place where a weak point is easily formed in waterproof construction. In the case of pouring concrete or using a prefabrication method of a tile formwork, it is sufficient to pay attention to the window sill, but in the case of plastering a decoration or a tile, a cement scum or debris, voids, and the top of the concrete will appear around the window. In the case of horizontal or reverse slopes, etc., faulty parts will be formed. Facade Waterproof - Kind With the progress of society and continuous development of science and technology, there are a wide variety of exterior wall waterproofing coatings, which can be divided into silicone self-cleaning and water-resistant exterior wall coatings, strong acid and alkali-resistant exterior wall coatings, pure acrylic elastic exterior wall coatings, and tempered waterproof putty powder. , silicone self-cleaning elastic exterior paint, fluorocarbon paint, advanced acrylic exterior paint, outer wall oil tyrant, tile special primer, environmental protection exterior wall latex paint, ceramic tile finish, acrylic oil-based top coat, high weather resistance water surface Paints, metallic paints and other functional exterior paints. Exterior wall waterproof-JS waterproof coating JS waterproof coating for exterior wall waterproofing is a kind of green environmental protection material, with the advantages of environmental protection, stable performance, long waterproof life, good aging resistance, convenient construction, simple operation, strong adhesion, etc., JS waterproof coating most of the basic color is White, with obvious heat reflection function, compared with the traditional black roof can play a better heat insulation effect, modulation into color, can be decorated and beautified the roof and exterior wall, overall performance is superior, is the current country Focus on the promotion of the new ideal environment-friendly waterproof material. Wall waterproof - polyurethane waterproof coating Polyurethane waterproof coating for exterior wall waterproofing is a kind of internal and external coating, thickness is about 3mm, elasticity is more than 300%, no cracking will be caused by any base material in use, and the waterproof effect is excellent, but it also has its deficiency. Where, the smell of polyurethane waterproof coating is relatively large, and it is difficult for most people to accept. It requires the use of a scraper during construction, which is laborious and the operation is more complicated. It is a reactive moisture-curing film-forming waterproof coating. Can be used for roofing, exterior walls, non-potable water pools, retaining walls and other waterproof projects. Wall waterproof -k11 universal waterproof coating In the outer wall waterproof coating, the most common is the k11 universal waterproof coating, which is a kind of two-component waterproof material combined with high-molecular polymer emulsion and inorganic powder. The high-quality cement is selected. Quartz sand is polymerized with specific macromolecules to form a waterproof coating on the surface and penetrate the interior of the material to form crystals to block the passage of water to achieve a double waterproof effect. It is characterized by a rigid waterproof material that highlights the adhesive properties. Exterior Wall - Acrylic Waterproof Coating Acrylic waterproof coating for exterior wall waterproofing is a one-component water-emulsion waterproof coating made with pure acrylic polymer as the base material and additive, using the international advanced technology and raw materials. , It can be easily combined with the ground gap to form a strong waterproof layer. After brushing, it needs to be treated with pulling or sand blasting to increase its friction, and it is easy to tiling. It is especially suitable for use as a wall waterproof material. How to choose environmentally friendly waterproof coating for exterior wall decoration First of all, we must understand the type of waterproof coating, nature, etc.; currently on the market there are two main types of waterproof coatings: First, polyurethane waterproof coating, and second, polymer cement-based waterproof coating. There are also two types of polyurethane waterproof coatings. One is made from polyurethane and coal tar as raw materials. The volatilized tar gas is toxic and is not easily removed. Therefore, it was banned from use in China in 2000. The other is still selling, using asphalt instead of coal tar as raw material. However, when such a coating is used, it is generally diluted with an organic solvent such as toluene or xylene, and thus contains toxicity. The polymer cement-based waterproof coating is composed of a variety of water-based polymer emulsions and high-quality cement mixed with various additives. The flexibility of the polymer (resin) is integrated with the rigidity of the cement, making it impermeability and stability. Excellent performance in sex. The market protagonist of natural waterproof coating is already a polymer cement-based waterproof coating. And whether the waterproof coating is environmentally friendly still requires further identification. There are three main points to make a good purchase: First, it depends on whether the paint meets the national mandatory standards and whether there is a Chinese environmental label certification. Second, we must look at the product quality inspection report, especially the quality inspection report on the VOC content. Third, pay attention to the brand at the time of purchase, it is best to select products from well-known large companies. Editor's summary: The above is related to good information on exterior wall waterproof coatings. It is for reference only and hopes to help everyone. If you want to know more related information, you can pay attention to this website information. Paint decoration waterproof
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