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    Home > Coatings News > Paints and Coatings Market > Common knowledge of coating: how to deal with long spot or weathering of exterior wall coating

    Common knowledge of coating: how to deal with long spot or weathering of exterior wall coating

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: the long spot or weathering of exterior wall coating refers to the phenomenon that when water seeps out of mortar or masonry, it brings out hard white salt like substance So what about the long spot or weathering of exterior wall coating? The possible reasons for the long spot of exterior wall coating: the surface pretreatment is not sufficient, and the original weathering on the surface is not removed; too much moisture is released from the interior of the masonry exterior wall Solution steps for long spot of exterior wall coating: If excessive moisture is the main cause, repair the roof, clean the drain and downpipe, and use high quality water 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: exterior wall paint long spot or weathering refers to the phenomenon that when water seeps out of mortar or masonry, it brings out hard white salt like substance So what about the long spot or weathering of exterior wall coating? The possible reasons for the long spot of exterior wall coating: the surface pretreatment is not sufficient, and the original weathering on the surface is not removed; too much moisture is released from the interior of the masonry exterior wall Solution steps for long spot of exterior wall coating: if excessive moisture is the main reason, it is necessary to eliminate the source of moisture by repairing the roof, cleaning the drainage ditch and downpipe, and sealing the cracks in the masonry with high-quality water-based pure acrylic or silicon acrylic sealant If the moisture comes from the inside of the building, especially the kitchen, bathroom and laundry area, consider installing ventilation or exhaust fans Use wire brush, electric brush or power cleaning equipment to remove the weathering and all other loose matters, and then wash the surface thoroughly with water After drying, apply high-quality water-based or solvent based masonry sealer or primer and let it dry completely, then apply a high-quality exterior wall paint, masonry paint or elastic wall paint 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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