Wall painting construction attention element

Foaming, cracking, and peeling on the walls are among the most common problems for consumers. Not long after the renovation, the wall or the top of the house began to blistering, cracking, and peeling. What is the reason? Professionals point out that in general, the use of high-quality paint, the wall can be used normally for 5 to 8 years. The occurrence of blistering, cracking, and peeling problems in a short period of time is not normal. There are many reasons for these problems, and it is necessary to analyze them according to actual conditions. Experts remind consumers that when looking at a wall decorated with flour, this one should be sure to paint details.
Wall Foaming Problems There are sand-like small bubble bulges on the foamed wall surface. The causes are: Adding too much paint or miscellaneous materials in the paint mix; Paint buckets, brushes, rollers, or spray guns are not clean Before the paint finishes completely dry, moisture penetrates and the paint film loses its adhesiveness; the wall surface before brushing is not cleaned. Solution: Avoid painting in high humidity seasons or in the weather. When brushing, you must wait for putty or first coat of paint to dry before applying a layer; clean the construction environment before the construction of the latex paint, and clean the wall surface.

Wall peeling problems are mainly due to: poor construction workers work skills; putty, paint adhesion properties or poor shrinkage. Solution: First of all, pick a good quality water-resistant putty. These putties have high whiteness, good water resistance, high bonding strength, no peeling, no chalking, no peeling after use, and can solve the wrinkles of wall peeling; at least two or three scrapes of putty are required before painting latex paint; Gypsum powder plus 108 glue can increase the viscosity. Another point, it is recommended that consumers paint special. The interior wall latex paint has high requirements on scrub resistance, and it is easier to contaminate the wall in home life and can be wiped with water at any time. The interior wall paint does not have the anti-sun function, so it cannot be used to paint the exterior wall.

The main reason for the cracking of the wall is that it may be due to the shrinkage of the putty. Before the construction, the putty is not dry enough to scratch the putty, and the second time the putty is not dry enough to paint, causing the putty to dry and shrink. Solution: The construction should wait until the putty is dry and then scrape again. The thickness of the putty should not exceed 2 mm. Rework and repair should be scraped first cracked, and then putty scraper, putty and then painted finish.

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