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    Home > Coatings News > Paints and Coatings Market > Wall construction | wall moisture-proof treatment to ensure indoor health and beauty

    Wall construction | wall moisture-proof treatment to ensure indoor health and beauty

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: some houses encounter the infiltration of external rain, or wet rainy season, the wall will appear ugly black spots This is because the wall damp and caused the wall moldy To avoid this kind of unsanitary, unsightly situation, it is best to do a good job in the decoration of the wall moisture-proof treatment There are three reasons for wall damp: 1 Large temperature difference between indoor and outdoor The first situation may be that the wall insulation is not well done, resulting in a large temperature difference between the indoor and outdoor, and the water air in the indoor air precooling condenses to the wall surface, which will cause the wall to be wet for more than a time It's not sure whether it's caused by the quality of wall insulation There's a very simple inspection method You can try it at home 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: some housing encounter external rain infiltration, or wet rainy season, the wall will appear ugly black spots This is because the wall damp and caused the wall moldy To avoid this kind of unsanitary, unsightly situation, it is best to do a good job in the decoration of the wall moisture-proof treatment There are three reasons for wall damp: 1 Large temperature difference between indoor and outdoor The first situation may be that the wall insulation is not well done, resulting in a large temperature difference between the indoor and outdoor, and the water air in the indoor air precooling condenses to the wall surface, which will cause the wall to be wet for more than a time There is a very simple inspection method for uncertainty whether it is caused by the wall insulation quality You can try it at home: knock the wall with the inspection hammer and listen to the sound If the sound is dull, it means that the wall is not well insulated; on the contrary, if the sound is hollow, it means that the wall is well insulated Of course, if the insulation material is not selected well, it will also cause the wall to be damped At this time, it depends on whether there is a crack in the wall If there is a crack, it can be considered to replace the insulation material 2 In case of leakage of water supply pipes and drainage pipes, the owners in the North should pay attention to check their heating pipes Pipeline leakage, time will also lead to the wall damp, moldy Can ask professional personnel to do a pressure test to detect Water pipe pressure test is one of the common methods to judge whether the connection of water pipe is reliable If the pressure test fails, it can indicate that there is leakage at a certain point of the pressure pipe 3 There is also the infiltration of rainwater into the room In this case, it is generally because the joint between the baffle under the balcony window and the wall is not well handled, cracks appear, or the window is not tightly sealed, which will also lead to the infiltration of rainwater into the room It is not difficult to remove mildew, but it is necessary to remove all the original putty on the moldy wall, and then treat it again according to the normal wall construction procedure But it's a very annoying thing that the house has mildew spots, especially when the new house hasn't lived for a long time! So it's better to prevent it in advance, and do a good job of moistureproof treatment on the wall at the beginning: do a good job of waterproof treatment on the wall 1 The waterproof treatment on the wall should be carried out under the condition that the wall surface is smooth, flat and dust-free Similarly, small original angle or slope angle shall be plastered at the junction of the wall and the ground, and 1-2 layers of glass cloth shall be pasted for strengthening protection, and then waterproof coating shall be applied 2 Generally, polyurethane waterproof coating is used most in waterproof engineering In particular, the total thickness of polyurethane waterproof coating for toilet waterproofing works shall be more than 1.5mm Brush from the reinforcement layer of pipe root and wall corner first After a rough brush, dry in the shade for 4 hours under normal temperature, and then brush for the second time The second time should be a large area of painting and scraping, without missing scraping and bubbling The next layer should be painted after a large area of painting is cured for 24 hours When applying waterproof coating, the principle of "first facade, then plane" shall be followed, i.e first wall, then floor Because if you brush the ground first and then the wall, there will be paint falling down when you brush the wall, which may damage the completed ground waterproof project Choose the wall decoration materials 1 Try to choose the wall decoration materials with good air permeability At present, the types of wallpaper on the market are pure paper, non-woven fabric, wood fiber, PVC, etc comparatively speaking, PVC material has the worst air permeability If the residential area is originally wet, PVC wallpaper is not recommended 2 Waterproof roll is used for walls, roads, roofs and other places It is a kind of flexible building material that can prevent rain and water penetration Because of different materials, it is mainly composed of asphalt waterproof roll or polymer modified asphalt waterproof roll It has the characteristics of water resistance and fracture resistance However, the coiled material will cut off the masonry, so it is not suitable for horizontal moisture-proof If the damp proof treatment of the wall surface is good, it will directly affect the beauty and sanitation of the living environment In addition to the above methods, there is also an old life experience: in addition to the wet rainy season, try to open windows to keep ventilation Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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