Coating knowledge: introduction to construction essentials and precautions of colorful coating

Core tip: multi color coating, because of its advantages of softness, rich color, beauty, matte and strong sense of three-dimensional, can get a variety of appearance effects according to different construction methods It is the best choice for building exterior wall decoration and protection It will tell the readers the essentials of its construction and precautions, and hope to help the readers in need 1、 Key points of construction operation of multi-color coating a the treatment of base course, the uneven, cracked and rough surface shall be inlaid with putty, the putty shall have certain strength and water resistance, and it shall be low polished with iron sand, usually "two batches and two grinds" General putty 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 Paint Home News: colorful paint, because of its soft, colorful, beautiful, matte and strong sense of three-dimensional and other advantages, according to different construction methods can get a variety of appearance effects, is the best choice for building exterior wall decoration and protection products, will tell the readers the essentials of its construction and precautions, hope to help the readers in need 1、 Key points of construction operation of multi-color coating a the treatment of base course, the uneven, cracked and rough surface shall be inlaid with putty, the putty shall have certain strength and water resistance, and it shall be low polished with iron sand, usually "two batches and two grinds" Generally, putty should not be made of chemical paste and Shuangfei powder, but should be made of white cement, old powder and 107 glue White cement: old powder = 8:2 In addition, repainted walls should be treated separately according to the old coating type Polish the surface with 0-1 × sandpaper, for oily coating layer For latex coating, it is necessary to remove dirt and oil from the surface Water soluble coating layer, then need to use hot water wall B Cover the sprayed surface behind the external corner with plastic film, etc for 10-20cm To prevent the pollution of the painted surface on both sides of the sheep horn, move the cover to the painted side After the spraying surface is completed, do not pull up the coating carefully when taking the cover C After the base course is applied with putty and dried, the mixed paint shall be evenly applied on the wall from left to right, from top to bottom Mix the middle layer coating evenly, pour it into the spray bucket, spray it on the wall from top to bottom, from left to right evenly with a special spray gun, then a colorful surface layer can be formed, and the movement speed of the nozzle should be uniform, vertical to the wall, when moving the spray gun horizontally, the nozzle should be in a horizontal state E For oily coating, when recoating the old wall surface, after sanding with sandpaper, the surface layer shall be sprayed with colorful coating, and the middle layer coating shall be applied first Ibid For latex coatings, the process should be followed at the grass-roots level, and for waterborne coatings, the process should be in accordance with the bottom, middle and surface coatings 2、 Precautions for the construction of multi-color coating A after the use of the spray gun and container, wash them with water immediately B during the construction, pay attention to ventilation and fire prevention Because it contains organic solvent C, in winter, when the viscosity of the multi-color coating on the surface is too large, the water of 50-60 degrees in the packaging container can be heated D Do not use diluent and water to dilute the coating E do not mix the middle coating with the bottom coating F In order to avoid the influence of the climate on the construction of the coating under the rainy and high temperature conditions, the construction environment below 5 ℃ shall not be constructed to ensure the luster, color and durability of the coating The construction interval of each coating layer shall be determined according to the different climate [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. 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