When we are decorating, we often tangled with wall paint or wallpaper? Many people from the environmental point of view, that the wall paint contains formaldehyde, benzene and other harmful volatile substances, not environmentally friendly, so choose wallpaper. In actual fact, there will be some harmful volatile gases more or less after renovation, the source of which is not necessarily a wall paint, and when the wallpaper is pasted, glue will be used, and the environmental performance of some wallpapers may not be comparable to a good wall. Topcoat! At this time, you need to choose a good wall paint! Let's learn now, how to buy a wall paint! Requirements for wall paint Now people's requirements for latex paint are no longer limited to decorative, but also emphasis on functionality, so when purchasing, the function of latex paint is very important, according to different parts of the brush to choose latex paint. For example, latex paints used on the walls of bedrooms and living rooms require strong adhesion, delicate texture, good resistance to differentiation and air permeability, and latex paints for kitchens and bathrooms should be waterproof, mold-proof and easy to wash. Inferior emulsion paint not only affects the construction quality, but also contains unqualified chemical raw materials that can harm human health. They should try to purchase them from specialty stores or special dealer stores. When purchasing, check the product's packaging, appearance and intrinsic quality. How to distinguish good wall paint 1, smell After the lid is opened, the truly environmentally-friendly emulsion paint should be water-based, non-toxic and odorless, so if the latex paint has a pungent odor or industrial flavor during the smell, it is not ideal. After a period of time, the surface of genuine latex paint will form a very thick and elastic oxide film, which will not be easily cracked, while inferior products will only form a very thin film that is fragile and has a spicy smell. 2, see the texture Mix the latex paint with a wooden stick and pick it up with a wooden stick. The high-quality latex paint will become fan-shaped when it goes down. Touch with your finger, genuine latex paint should feel smooth and delicate. 3, see the color The latex paint is applied to the wall and wiped with a damp cloth. The genuine color is bright as new, and the defective product will fade due to poor coagulation and water resistance. 4, see the ingredients When looking at the ingredients when purchasing, the composition of the high-quality coating should be a copolymer resin or a pure acrylic resin. Don't forget to look at the product's shelf life. 5, pay attention to color Although latex paint has many advantages such as convenient construction, strong hiding power, rich colors, scrub resistance, and strong environmental protection, it also has some common problems of quality, and poor handling will affect the quality of decoration. Wall flowers and uneven color are mainly due to the different colors of the grass roots and they are not processed. This situation must be re-brushed again to cover it. In addition, when selecting the materials, it is necessary to pay attention to selecting the same manufacturer, the same variety, and the same lot number, otherwise there will be a color difference. Problems with brushing the wall paint 1, rough surface The main reason is that the primary treatment is not clean, the brush has sand, debris or the operating environment is not clean. First, clean the base layer, thoroughly clean the brush, and clean the environment. The main reason for peeling is that the grass is too smooth or oily. The base layer too light can use the steel brush to brush the base layer and handle it clean, and the oil can be decontaminated with solvent. 2, wall cracking This phenomenon is most common and the specific reasons depend on the circumstances. If it is a GRC lightweight partition, joints must be carefully treated for crack prevention. Generally, glass fiber or kraft paper is used. The characteristics of the partition wall are prone to small cracks. Therefore, it is best to minimize cracking in home decoration. Once covered with glass fiber cloth or bean bag cloth, if the sand wall putty needs to be removed, it is best to put plasterboard after eradication of putty or eradicate the sand to the grassroots; if it is a load-bearing wall or solid wall, the cracking may be due to putty too thick or spaced Short time, putty is not dry, this situation in the old house when the top of the wall leveling the emergence of more situations, construction should pay attention. Brush wall paint need to pay attention to what 1. The construction of paint must be performed within the room temperature required by the product. Different products have different temperature requirements. This can be found in the product packaging or in the manual. 2, each process to ensure that the dry side through the second pass. In addition, do not mix paints of different types with paints of the same matrix to avoid adverse reactions. 3. During construction, safety measures, such as masks and keeping indoor ventilation, should be taken to prevent poisoning. At the same time, when using a paint with a certain degree of corrosion, it is necessary to bring good rubber gloves. 4. Do not smoke or use open fire at the construction site to prevent fire or explosion; avoid forced construction under conditions of high humidity or cold. The above is about how to choose the wall paint related content, if your home is being renovated, if your home is still hesitating do not know how to choose a wall paint, may wish to take a closer look at the above selection method, may be able to help you! If there is anything that you do not understand, please leave a message and we will answer your questions as soon as possible! For more information, please follow this site! 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