Surely many have thought about the question, is it possiblewhether to glue wallpaper on old wallpaper. This problem usually arises during renovation work in an apartment or house. Any specialist will not advise doing this, old paper coverings can get wet and peel off the wall along with the new covering. It is worth considering several specific situations.
It is not recommended to glue wallpaper on an old covering, as bubbles may appear and the wall will not be even.
When the old wallpaper coating can not be removed from the wall
Old finishes can be so durableglued to the surface, which makes it impossible to tear it off. In such a case, an inexperienced craftsman decides to glue new wallpaper directly onto the old covering. This method has its advantages:
- It does not take time to remove the old layer;
- do not need to prepare the surface for gluing.
That's where the pros end, and the cons include the following:
- the walls will not be level;
- on a new coating, bubbles may appear;
- New bands may simply not stick to the old ones;
- on nonwoven and vinyl surfaces, wallpaper can not be glued;
- The service life of a new layer pasted on the old one is much smaller;
- the next repair will have to separate the double layer from the wall.
Conclusion:Before pasting wallpaper, it is necessary to remove the old layer. You cannot glue wallpaper on tiles or paint. The only ideal base can be plasterboard, which must be well primed. Return to contents</a>
How to glue wallpapers correctly
To work you need to prepare:
Figure 1. Old wallpaper should be moistened with water and removed with a spatula.
- new rolls of wallpaper;
- roulette;
- level;
- trowel large and small;
- a soft rag or sponge;
- scissors and a stationery knife;
- Wallpaper glue;
- a container for diluting the glue;
- brush;
- spray.
To properly wallpaper a wall, you need to carefullyprepare. First, remove the old finishing materials. In most cases, they are moistened with hot water from a spray bottle; after a few minutes, the wallpaper can be easily removed with a spatula (Fig. 1). More effort must be put into preparing a painted wall. If the wall is covered with oil paint, wash off the layer with soapy water. Dry the surface and treat it with sandpaper. Enamel paints are removed with a soap or soda solution. Any glue paint can be easily washed off with ordinary water. Dispersion dyes are scraped off with a spatula (Fig. 2). The greatest difficulty is removing mineral paints from walls. A thin layer can be washed off with a good brush, a thick layer can be removed with a scraper. Decorative coatings are very difficult to remove. They are removed as follows: first, remove the decorative layer with the pattern from the wall. It comes off quite well. Then soak and remove the paper backing.
Figure 2.Scheme of wall preparation for wallpapering. After such preparation, you can proceed directly to gluing the new covering. Work begins with diluting the glue in accordance with the instructions on the package. Dry powder is poured in a thin stream into a certain amount of water with constant stirring. There should be no lumps left in the finished composition. Rolls are cut into pieces slightly larger than the size of the wall. Glue is applied to the back of the canvas. It is necessary to ensure that it does not get on the front side. It is best to glue the wallpaper away from the window. This way the seams between the canvases will be less visible. On flat walls, the work goes quite quickly. When gluing and drying the wallpaper, do not create drafts in the room. Return to the table of contents</a>
Helpful Tips
Each type of material requires its own glue. This is written in the instructions for using the wallpaper.
Wallpaper has long established itself as an excellent andrelatively cheap finishing material for walls and ceilings. They are made on a natural basis, have a huge number of color solutions, are easy to use. It is only necessary to follow several standard recommendations to obtain an excellent result. Not the last place has a warning: it is impossible. For some reasons, they will soon come off the wall, the work will have to be redone. Pathogenic microorganisms in the form of fungus and mold will start between the new and old wallpaper.</ ul>
