Paint knowledge: paint common problems, find the "cause" is the key!

Core tip: there must be less materials for home decoration and paint The effect of paint is not only beautification, but also anti-corrosion and water-proof It's like a protective film on the wall However, after painting, there will be some problems, such as paint falling off, paint blistering and a series of other problems If you find the reasons, you can take the right medicine Common problems of paint 1: there are dark spots on the surface of painted wood Most of these problems are caused by the fact that the wood joint is not sealed before painting, and the resin seeps out from the wood joint as soon as the sun shines Paint common problem 2: paint cracks paint surface has small cracks, mostly due to the use of incompatible Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint In fact, there is no ugly color in the wall paint, only the disharmonious color matching The use of wall color contains the knowledge of health Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health Grasp the basic principles of wall color and paint a colorful space 1、 Wall paint color selection notice 1 Light color is generally used for the top surface Light colors make people feel light, dark colors make people feel heavy Usually, the treatment of rooms is from top to bottom, from shallow to deep For example, the ceiling and walls of rooms are white and Paint Home News: home decoration, paint materials, must be less, paint effect, not only beautification, but also anti-corrosion and waterproof It's like a protective film on the wall, but after painting, there will be some problems, such as paint falling off, paint blistering and a series of other problems If you find out the reason, you can remedy the problem Common problems of paint 1: there are dark spots on the surface of painted wood Most of these problems are caused by the fact that the wood joint is not sealed before painting, and the resin seeps out from the wood joint as soon as the sun shines Paint common problem 2: paint cracks paint surface has small cracks, mostly because of the use of incompatible paint, upper and lower expansion coefficient caused Common problem 3 of paint: the paint surface may lose luster because it is not primed, or the primer and inner layer paint are coated with glossy paint before they are completely dry, resulting in the glossy paint being absorbed by wood and no gloss at all In addition, it may also be due to the poor quality of varnish Four common problems of paint: all kinds of blistering paint blisters If there is water coming out after puncturing, it means that there is moisture under or behind the paint layer Under the sun's exposure, the water evaporates to form steam At this time, the paint skin will be jacked up and blistered However, if there is no water emerging after the puncture, it may be wood grain cracking, and there is a small amount of air inside Once the air is swelled in the sun, the paint skin will blister Paint common problems 5: paint peeling paint problems, there are many reasons, too smooth wall is also a reason If the original paint is glossy or powdery, the new paint will not stick Another reason is that the wood is rotten or the metal is rusty, and then there is the peeling caused by the quality of the paint itself Common problems of paint 6: there are many reasons why paint stains can occur on the surface of paint For example, the water in emulsion paint will rust the surface of paint after the material on the wall melts, and rust will occur on the wall after the steel wire is brushed, and the leakage of wall concealed pipe will also appear stains Home of coatings focuses on coatings, paint coatings, coating technology, news and information of fire retardant coatings, coatings, coating technology, decoration knowledge and decoration renderings of fire retardant coatings,