Coating technology: Construction Technology of elastic coating for exterior wall

The key points are as follows: (1) the quality requirements for the construction base of the elastic coating for the exterior wall 1 The base course shall be firm, free from cracking, powder dropping, sand rising, hollowing, peeling, lime bursting point and old coating with poor adhesion 2 The base course shall have a flat surface, vertical facade, internal and external corners, squareness and no missing edges and corners, and the grid joint shall have the same depth and be horizontal and vertical The allowable deviation shall meet the requirements of Table 1 and the surface shall be flat but not smooth 3 The base course shall be clean, and the surface shall be free of dust, laitance, oil, rust, mildew, salt precipitation and moss 4 The base course shall be dry and brushed Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Coating home news: (1) quality requirements for construction base of elastic coating for exterior wall 1 The base shall be firm, free from cracking, powder falling, sand rising, hollowing, peeling, lime bursting point and old coating with poor adhesion 2 The base course shall have a flat surface, vertical facade, internal and external corners, squareness and no missing edges and corners, and the grid joint shall have the same depth and be horizontal and vertical The allowable deviation shall meet the requirements of Table 1 and the surface shall be flat but not smooth 3 The base course shall be clean, and the surface shall be free of dust, laitance, oil, rust, mildew, salt precipitation and moss 4 The base course shall be dry, and the moisture content of the base course shall not be greater than 8% when applying solvent based coating; and the moisture content of the base course shall not be greater than 10% when applying water-based coating 5 The pH value of the base course shall not be greater than 10 6 Concrete curing for 21-28 days, plastering base curing for more than 14-20 days 7 Before coating, the base course shall be accepted, and the coating construction can only be carried out after it is qualified （2） Construction steps of elastic coating for exterior wall: base leveling → alkali resistant primer for exterior wall → finishing coat construction → repair and acceptance (3) construction of elastic coating for exterior wall: leveling treatment for base of elastic coating for exterior wall: 1 Apply one layer of special putty for exterior wall with thickness of 1-1.5mm; 2 Polish with 260 × sandpaper 24 hours after drying 3 Maintain one layer with water and construct primer after drying External wall alkali resistant primer construction 1 Painting tools: paint roller and paint brush 2 The external wall alkali resistant primer can be mixed with 30% water and brushed evenly for one time without missing 3 Finish paint shall be applied after drying for 24 hours The finishing coat shall be applied twice 1 Brush tools: paint roller and paint brush 2 Two finishing coats shall be applied, each coat shall not be mixed with more than 20% water, and the interval between coats shall not be less than 2 hours 3 Local repair, ready for acceptance 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,