Paint knowledge four kinds of problems and Countermeasures of wall

Core tip: Although people choose the coating carefully, but due to the influence of human and weather in the coating construction, some unsatisfactory "problems" are often found in the wall after decoration In view of different "faults", Mr Liang Shanglin, technical director and senior engineer of skyscraper paint Co., Ltd issued a prescription Liang Shanglin introduced that when decorating, we should pay special attention to take the corresponding measures, so as to make the right medicine and treat in time Disease 1  Coating Cracking and peeling  cause: the coating shows cracks like hair at the early stage, and flakes appear at the later stage, mostly using adhesion and 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: people in the choice of paint, although carefully selected, but due to paint construction by human and weather reasons, decorated walls, often find some unsatisfactory "problems." In view of different "faults", Mr Liang Shanglin, technical director and senior engineer of skyscraper paint Co., Ltd issued a prescription Liang Shanglin introduced that when decorating, we should pay special attention to take the corresponding measures, so as to make the right medicine and treat in time Disease 1  reason of Coating Cracking and falling off: the coating shows cracks like hair at the early stage, and flake peeling occurs at the later stage, mostly due to the use of coating with poor adhesion and flexibility, over dilution or coating, inadequate pretreatment of wall or base surface, over hardening and embrittlement after aging of coating Suggestion: use a scraper or wire brush to remove the loose and peeling coating, polish the surface and trim the edge If peeling occurs on multiple coats, water resistant putty shall be used if necessary Apply sealing primer before recoating The use of high quality primers and topcoats can prevent recurrence of such problems Do not over dilute the paint with water Disease 2  The mold on the base material or coating was not cleaned before using the inferior emulsion paint or coating Suggestion: drop a few drops of household bleach in the discolored area to detect the presence of mold If the stain disappears, it may be mold Wipe the surface with a diluted household bleach solution (one bleach solution to three parts of water) to thoroughly remove mold Wear rubber gloves and goggles when working In order to avoid mildew on the wall, the high-quality emulsion paint of regular manufacturers shall be used If necessary, the base course shall be cleaned with bleach / detergent solution, and the exhaust fan shall be installed in the area with high humidity Symptom 3: wrinkle of the coating: the coating is too thick at one time, and the surface of the film becomes rough and wrinkled In very hot or cold wet weather, the drying speed of the surface layer of the paint film is faster than that of the bottom layer, the uncured film is exposed to the excessively wet environment, and the paint is applied on the polluted surface (such as dust or oil) Recommendation: scrape or grind the substrate surface to remove the wrinkled coating If the primer is applied, make sure that the primer is completely dry before applying the top coat When repainting (avoid extreme temperature and humidity), evenly apply a layer of high-quality interior wall coating Disease 4: yellowing of coating: common coating is often exposed to sunlight It is easy to appear yellowing and discoloration after coming from the top of furnace, heating, heating pipe or being polluted by other substances, which is the result of ultraviolet aging and oxidation of other substances Suggestion: for strong sunlight exposure or pollution prone areas, it is recommended to use anti aging and sun resistant high quality latex paint for decoration 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,