Often, the removal of wallpaper is a tedious process, because their complete removal is a necessary step for further repair. If small pieces of wallpaper remain on the surface, then you can forget about the quality of the new coating. The situation is doubly more complicated if the old wallpaper needs to be ripped off the drywall. In this embodiment, you need to do everything carefully, otherwise you can damage the gypsum board. Let's take a look at how to remove old wallpaper from drywall so that you don’t have to change the GCR later.
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Spatula - an indispensable tool for removing old wallpaper
There are four main ways in which old wallpaper is removed from the walls.
All these examples are common, and for each type of wallpaper should be chosen its own way. The above options give an idea of how to tear wallpaper from drywall, but the question of the need for such action remains open. Not everyone understands why so fool. If you just need to glue the new wallpaper, then why not do it over the old ones?
Since the wallpaper will be glued to glue, they will moisten (there is always water in the glue) the previous layer. This can lead to soaking and peeling in certain places. This defect cannot be fixed.
If the first layer of wallpaper was pasted with some kind of defect, then it will only intensify when pasting the second layer. Also, over the years, a fungus or mold could appear on the wall, and they should be eliminated.
Aesthetically, the component is also an important option. Wallpapers pasted on the wallpaper, do not look very nice. And the choice of color is not very wide, because you need to take care that the color of the first coating does not protrude through the second.
Auxiliary devices for removing old wallpaper from drywall
Before removing old wallpaper from drywall, you need to prepare various tools and fixtures. Depending on the method chosen, the following auxiliary elements may be required:
Working with water do not forget about the sockets that can not be wetted. Therefore, to work with them may require plastic film and tape, with which the outlet will be sealed.
If the wallpaper was applied directly to the drywall, then remove them without damaging the GCR will not work. It only makes sense to rip them off if the drywall was puttied before pasting.
Sometimes the wallpaper can be removed by simply picking it with a spatula and pulling it away from the wall. But such situations are not often, especially when it comes to drywall.
Now you can consider in detail how to tear off the wallpaper from drywall, depending on their type. Regardless of the method chosen, you will need to cover the floor with old newspapers or plastic wrap. Wet pieces of stripped material adhere very strongly to the floor and then it is difficult to tear them off.
This is the easiest option. Obviously, the paper is not friendly with high humidity. Therefore, you need to use everything that can soak the wallpaper sufficiently so that they swell and easily come off the surface. For soaking, you can use a variety of devices:
Before removing the paper wallpaper from drywall, they should be soaked with warm water. If the water is cold, then the desired effect is not achieved. It should be warm or even a little hot (not even room temperature). You can use a sponge, which is dipped in water, and then carried out on the surface from top to bottom. Similarly, work with a brush or roller. Water should not be enough, because the effect will not be achieved. If it is too much, then the wallpaper can turn into a slush that is difficult to remove. Plastering may also be damaged due to copious amounts of water.
The fastest way to work with a spray gun, because the water is distributed quickly and evenly. But it is not available to everyone. The situation with the steam generator is similar, but it is available to even fewer people. Steam has the same effect as water. Some work on the same principle as an iron or hairdryer, but these are remnants of antiquity.
Wet wallpaper is left for 5-10 minutes, and then stripped. Therefore, it is not necessary to immediately wet them all. It should work in small areas.
You need to think not only about how to remove old wallpaper from drywall, but also how not to damage the sheets of drywall at the same time. Therefore, the limp wallpaper removed very carefully, using a spatula. If everything was properly moistened, then the paper wallpaper will be removed easily.
By the same principle removed liquid wallpaper. They are thoroughly moistened with warm water, and then they are torn off with a spatula.
In the case of vinyl wallpaper everything is not very difficult. They can be easily removed without damaging the drywall. To do this, you need to go through the entire coating with a needle roller. Need to pierce them to facilitate the process of removal. You can also use a special scraper, called wallpaper tiger. With it, the coating is scratched. But you should work carefully, because if you apply too much power, you can damage the drywall.
Again, before removing the vinyl wallpaper from drywall, make sure that a layer of putty has been applied. If there is no such layer, then nothing will be removed. Wallpaper will tear off with the outer layer of drywall, which means that all the repairs will have to be done in a new way.
Now you can moisten the wallpaper as in the previous version. Water will pass through the scratches and fall into the base of the wallpaper. As a result, they will soak from the inside and easily come off. The bottom of the canvas is incised with a wallpaper knife, it is pulled out, and then stretches towards itself. If done correctly, the wallpaper will be removed layers. Although it is easy to remove the top layer, and the substrate will remain. No need to try to remove this base. Simply new wallpaper can be stuck directly on it.
How to unstick wallpaper from drywall, if they are non-woven? Just as described above.
If water and other manipulations are not enough, you can resort to the help of special mixtures. Often, water can not soften the glue, so they resort to using special liquids designed to remove the wallpaper.
When choosing a special liquid funds that are designed to facilitate the removal of old wallpaper, you can choose different products. For example, Metylan, Pufas Tapetenabloser, Quelyd Dissoucol, Ecosept, etc. Here everyone has to decide for himself not only how to remove old wallpaper from drywall, but also by what means to use it. Such products should not contain solvent. Standardly 500 ml bottle is enough for 200 sq.m.
Some Wallpaper Removers
Wallpaper stripper is used in the same way as water, but is more effective. They are moistened with wallpaper, and after 10-15 minutes they are easily removed. To use it rationally in the case when the wallpaper is firmly stuck to the drywall, and soaking with water does not help.
Now there should be no questions about how to tear wallpaper from drywall without damaging it.
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