In many people's impressions, compared to paints, the wallpaper is more simple to put on and keep the wall clean and neat, but it is not. It is understood that the paving of the wallpaper has a lot to do with the substrate, different substrates need to be handled differently, and the processing needs to pay attention to many details. Want to stick wallpaper? It may not be as easy as you think.
PPG Paper Aesthetics Wallpaper
Do not paint the new house
For the wallpaper, if the material of the shop is different, the processing method it takes is different. If it is a new house wall wallpaper, the substrate is the simplest. The procedure is the same as the basic wall construction, except that it is not painted, that is, the interface layer is normally brushed in the plastering layer, and then the scraping can be scraped 2-3 times. Then you can carry out other bricklayers, oil workers and other decoration, wait until the completion of the wallpaper on the wall.
Old house paint needs to be tested first
If the original wall is painted with paint and you want to refurbish the wall, is it right on top of the wallpaper? In response to this problem, experts said that if it is the old house wall, some judgments need to be made. If the original paint is tight and there is no shedding, you can brush the base film directly on the top (wallpaper necessary materials, can strengthen the wall surface, increase the wallpaper adhesion, protect the wall when you remove), and directly paving the wallpaper. However, if the original coating is not stable, the original substrate needs to be removed.
Wallpapers also have 6 things that must be unnoticed
How to determine if you need to eradicate the original paint? The owner can self-test the paint. Take a wet towel (drinking the floor without drip) and fix it on the wall in a certain way. Look up the next morning. If there is no peeling on the wall, explain The wall surface treatment is very good, the combination is still very close, you can brush the base film directly on top, paving any wallpaper. If the wall appears blisters and other conditions, then the wall substrate instability. If the wallpaper is applied directly at this time, the wall adhesion is relatively low, and the wallpaper easily falls off. If all the walls are unstable, you will need to remove all the walls and shovel them to the plastering layer, then re-apply the interface agent and scrape the putty.
If only part of the wall substrate is unstable, only part of the substrate needs to be removed, and the interface agent can be repainted to scrape the putty. After completing this part of the process, the entire wall should be screened with a wallpaper knife to form a net-like form. Generally speaking, the deeper the scratches, the smaller the squares and the better. “Because the original substrate is relatively smooth, the adhesion is relatively poor. By this method, the two kinds of putties can be connected together to ensure the stability of the substrate and reduce the possibility of wallpaper cracking.â€
Empty old wallpaper should be eradicated
What if the original wall is covered with wallpaper? Can I pave the new wallpaper directly on the original wallpaper? Experts said that this has to be treated separately. In general, because the original substrate is not necessarily dense, it may cause the wallpaper to be affixed and fall off, etc.. Placing the wallpaper directly on the original wallpaper will have a greater risk. All the original wallpapers need to be erased and the above The method of detecting the paint substrate was examined on the substrate to see if it was necessary to further eradicate the putty layer, and the subsequent work was consistent with the “Old House Paint Needs First Testâ€.
Of course there are exceptions, if the original paving is a wallpaper of special purity, such as high-purity wood pulp wallpaper, soak the wet towel on the wallpaper, more than 10 minutes later, to see if there is empty drum phenomenon. If there is still no emptying, you can directly paste any wallpaper on it. If there is empty drum, you need to remove all the wallpaper and carry out the next step of substrate inspection and processing.
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