Room preparation
Removing the old coating based on liquid wallpaper is troublesome and dirty, and therefore, before starting work, you should prepare the room. To avoid damage to furniture and other surfaces in the room, it is recommended that you follow these steps:
- All furniture is taken out to the next room. If this is not possible, the furniture is tightly covered with plastic wrap.
- To avoid contamination of the floor covering, it also needs to be covered with a film, including skirting.
- Platbands from doors are recommended to be carefully dismantled. After finishing work, they are again fixed in place.
- Remove decorative linings from wiring accessories, and seal the installation site with tape.
Necessary tools
Before you remove the liquid wallpaper from the walls, it is recommended to take care of the preparation of the tool. For this work, you will need:
- electrical sanders;
- spatulas of different sizes;
- metal scraper;
- brush or roller for applying liquid;
- respiratory and vision protection.
The specific toolkit depends on the option to remove the coating.
How to remove liquid wallpaper
For dismantling varnished wallpapers, can be used only grinders or drills with a grinding nozzle. This method is associated with a high level of air pollution with small particles of old wallpaper, so when doing such work yourself, you should use a respirator, goggles and protective clothing.
If a wallpaper was not covered with protective compounds, use simpler methods of dismantling - using special solutions or ordinary water. The liquid softens the coating, after which the flakes of the old material are removed with a wide spatula.
Before removing liquid wallpaper during repair, it is recommended to prepare a solution that facilitates the task of softening the coating. In addition to ordinary hot water, the following mixtures are used:
- Based on laundry soap. 200 grams of soap are crushed and dissolved in 4 liters of warm water, the resulting mixture should be brought to a boil, allowed to cool slightly, and then proceed with processing.
- Using liquid dishwashing detergents. Any detergent is dissolved in a ratio of 10 to 0.6 with water (10 l of warm water to 600 ml of the product).
- Using vinegar. Vinegar is added to the water, based on the ratio: 8 parts water to 1 part vinegar.
- In stationary trading, you can buy ready-made liquids to remove various coatings.
Firmly adhered materials can be removed using a steam generator. The place to be freed from the old material is carefully steamed, after which the softened mass is removed with a spatula. Instead of a steam generator, a familiar iron and damp, natural fabric are often used.
How to remove liquid wallpaper
If necessary, change the design of the premises or repair the damaged base, the dismantling of the current coating will be required. There are several methods for quickly removing liquid wallpaper from a wall. The use of a particular method depends on the installation of wallpaper.
Without cover
To get rid of old liquid wallpaper that has not been treated with protective compounds, the use of water or special aqueous solutions will suffice. To perform the work, you need to prepare the following tool:
- water tank;
- brush or roller for applying water to the surface of the wall (you can also use a spray);
- putty knife.
To remove the wallpaper, a solution is prepared in accordance with the recipes described above, or ordinary hot water is taken.
Fluid is abundantly applied to a part of the wall with a roller or brush and wait 15 minutes. During this time, the wallpaper will swell, and will easily succumb to removal using a spatula.
In order for the work not to stand idle, it is recommended to notice the time it took to clean the prepared surface and before starting work with a spatula, treat the corresponding part of the wall with water so that it can be saturated and there are no interruptions in the process.
The dismantled material is put in bags for disposal, but if the owners want to reuse these liquid wallpapers, they must be thoroughly dried and packaged until the next repair.
Coated
It is much more difficult to cope with the wallpaper, the surface of which was treated with varnish or other protective material, forming a durable film. To remove such coverage yourself, you will need the following tools:
- grinding machine or drill with a special grinding nozzle;
- plastic wrap and tape;
- goggles, respirator, protective clothing.
It is advisable for the owners to immediately prepare mentally for the difficult, dusty and long work, or to entrust the removal of the old coating to professional finishers.
Since grinding power tools generate a lot of fine dust, it is necessary to remove all the furniture from the room. Close the doorway, floor, windows, wiring accessories and interior details with plastic wrap, fixing it with tape.
They remove the coating with a grinder, and it will be necessary to exert sufficient efforts, since it will be necessary to tear off the protective film and the layer of wallpaper beneath it.
It should be remembered that a prolonged load on the power tool can lead to failure, so you should limit the time of continuous operation to 20-30 minutes, after which it is necessary to give the tool a rest.
The process of removing the old coating is complex and lengthy, you will have to be patient. Usually for one standard room, an area of 15-20 m2 it takes at least a day, and this with a certain dexterity, well, or two or three days for beginner finishers.
Therefore, before deciding to protect the material with varnish, you need to think carefully or be prepared for the labor costs of professional builders who can cope with the old coating faster.
How to remove liquid wallpaper from a wall from drywall
In this case, the wet method will not work - removing the coating from drywall in high humidity conditions will lead to the destruction of the base.
The easiest option to remove wallpaper from drywall: prepare a highly diluted composition of MK glue and apply it to the surface, after which the softened coating is cleaned with a wide spatula. For high-quality surface impregnation, it is enough to wait half an hour.
You can also polish the surface mechanically, and then impregnate the wall with a primer. The base thus treated is ready for painting or gluing with roll materials.
Is it possible to reuse liquid wallpaper
If you carefully remove the coating with a spatula, previously steaming or wetting the surface of the wall, the material can be reused. In order to prepare the mass for application, you must perform the following steps:
- dry pieces of coating removed from the wall;
- determine according to the instructions for this type of wallpaper the required amount of water;
- soak and thoroughly wipe the mixture with your hands;
- leave the mixture for 12 hours;
- add a little water to the settled mixture and mix again.
After that, you can start applying the mixture to the wall.
Wallpaper that was removed with a power tool is not suitable for reuse.