In many households in Jinan, peeling and powdering on the walls is a common headache - it not only affects the appearance, but also may breed dust and affect health. Many people think that repair is just a simple layer of paint, but the result is often repeated problems. In fact, the root cause of non structural peeling and powder loss on walls is often due to loose or improper handling of the base layer. To completely solve this problem, it is crucial to choose the appropriate putty powder that is suitable for Jinan and follow the standardized procedures. Today we will explain to you how to correctly repair damaged walls with putty powder.
First, let's talk about the preparation work before repair. Choosing the right materials is the foundation. Considering the distinct four seasons, rainy summers, and dry winters in Jinan, it is necessary to choose water-resistant putty powder to avoid the problem of powder falling again due to humidity or temperature differences in the later stage. In addition, it is necessary to prepare a scraper, clean water, interface agent (or sand fixing agent), medium coarse and fine sandpaper, brush or roller, spray bottle, and protective mask. The interface agent is the core material for curing the wall, which can effectively prevent powdering again after repair. Protective masks are indispensable in the cleaning process to avoid inhaling too much dust.
The first step is to thoroughly clean the wall, which is the most important step to avoid laziness. Some old houses in Jinan have unstable wall foundations, and due to long-term changes in temperature and humidity, the range of looseness may be larger than what is visible to the naked eye. Before cleaning, wet the wall surface with a water sprayer to reduce dust flying, and then wear a protective mask for protection. Afterwards, use a scraper to remove all the loose surface of the wall. If there is still a large amount of dust during the cleaning process, you can use a water sprayer to atomize and spray water at any time to reduce dust. Make sure to clean all loose, peeling, and hollow parts until a solid base layer is exposed, otherwise the subsequent repair layer is easily detached.
The second step is reinforcement and leveling, which is the core guarantee for the repair effect. If there is still powder falling off the cleaned wall surface, it cannot be directly coated with putty. It is necessary to first brush the interface agent (or sand fixing agent), and after it is completely dry and cured, the wall surface will no longer have powder falling off. The next step is to level with water-resistant putty powder. When mixing the putty powder, mix it evenly with clean water. Even if it is not a professional construction, try to smooth the putty layer as much as possible. After the putty is completely dry, first use medium coarse sandpaper to polish the surface flat, and then use fine sandpaper for finishing treatment to make the wall feel more delicate, preparing for subsequent painting. It should be noted that Jinan is humid in summer, and the drying time of putty can be appropriately extended to avoid polishing before fully curing.
The third step is painting and finishing, making the wall both beautiful and durable. Choose the appropriate topcoat and use a brush or roller to apply it alternately horizontally and vertically, repeatedly ensuring even application and avoiding brush marks or omissions. After the topcoat is completely dry, the damaged wall will be completely rejuvenated, not only solving the problem of peeling and powdering, but also restoring a clean and beautiful appearance.
In fact, wall repair is not complicated. As long as you find the root cause and select the appropriate water-resistant putty powder suitable for Jinan, and then follow the steps of "cleaning reinforcement leveling painting", you can easily solve the problem of non structural peeling and powder peeling. Friends who are troubled by wall damage at home may try this method to restore the wall to a clean and tidy state.
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