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    Home > Coatings News > Paints and Coatings Market > General knowledge of coating: basic requirements and relevant conditions for wall base surface of external wall thermal insulation engineering

    General knowledge of coating: basic requirements and relevant conditions for wall base surface of external wall thermal insulation engineering

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tips: ① the base plastering shall meet the requirements of high-level plastering, the surface shall be smoothed, compacted and polished, the color shall be the same, and there shall be no brush marks, plastering joints shall be flat, and there shall be no hollowing, cracks, holes, crumbling powder, peeling, pulverization and other adverse phenomena Perpendicularity, flatness and strength meet the requirements of relevant acceptance specifications ② The surface shall be free of mud, floating dust, oil, etc ③ The depth of the dividing joint shall be the same, horizontal and vertical, without missing edge and angle dropping, the drip line shall be straight and firm, without surface defects, the flashing slope shall meet the design requirements, and the internal and external angles of the base surface shall be straight and square ④ Various components on the wall, pre 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: ① the base plastering meets the requirements of high-level plastering, the surface is smoothed, compacted and polished, the color is the same, no brush marks, plastering marks, plastering joints should be flat, no hollowing, cracks, holes, pastry, peeling, powdering and other adverse phenomena Perpendicularity, flatness and strength meet the requirements of relevant acceptance specifications ② The surface shall be free of mud, floating dust, oil, etc ③ The depth of the dividing joint shall be the same, horizontal and vertical, without missing edge and angle dropping, the drip line shall be straight and firm, without surface defects, the flashing slope shall meet the design requirements, and the internal and external angles of the base surface shall be straight and square ④ Various components, embedded parts, water heating, electrical appliances, air conditioning and other lines on the wall shall be installed and positioned as early as possible according to the design requirements The embedded parts and the closing part after installation and positioning shall be repaired with cement mortar as early as possible to make the leveling layer dry in sufficient time In addition, rust removal and anti rust treatment shall be carried out for exposed steel ⑤ Requirements for temperature and humidity conditions: to avoid construction in rainy days, the temperature must be above 5 ° construction procedure ① pay attention to the weather conditions one day before construction to ensure that construction can be carried out in a better condition the next day, and observe the water content and pH value of the wall before construction to ensure that the appropriate working conditions are met before construction; ② Clear the attachments on the base wall, pay attention to the corners of the window frame, and protect some parts that do not need construction to prevent pollution Repair with a thin layer of putty, and the thickness shall be controlled below 0.8-1.5mm to prevent excessive thickness from affecting the construction; ③ polish the scratches and uneven parts of putty with sandpaper 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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