In this article, dedicated to the question of whether it is possible to glue non-woven wallpaper onto old ones, we will answer this question in some detail.
Is it possible to glue non-woven wallpaper onto old ones?
Of course, it is not recommended to glue non-woven wallpaper onto old wallpaper
. But, it is necessary to once again emphasize the need to carefully prepare walls for gluing new wallpaper and not treat construction and finishing work with contempt.
What are the advantages of non-woven wallpaper?
Non-woven fabric – it was he who gave the name to a whole group of materials that differ in structure, density, relief and composition. Non-woven wallpaper is a semi-synthetic material based on natural cellulose. Unlike paper or fabric base, non-woven wallpaper base has a number of advantages:
- This is a very thin base.
- During the wetting process, the non-woven fabric does not stretch or deform.
- Non-woven fabric is vapor-tight and breathable
- Old non-woven wallpaper can be easily removed from the walls.
- Service life
non-woven wallpaper is 3-5 times longer than the service life of traditional paper wallpaper.
Why do non-woven wallpaper have many advantages?
Non-woven polypropylene consisting of cellulose fibers joined together using adhesives or by extrusion. Thanks to manufacturing technology, non-woven wallpaper contains much less chemicals than conventional paper wallpaper.
The surface of the non-woven base can be attached to any material: paper
, vinyl, fabric, bamboo or cork. Most non-woven wallpaper has a paper coating of varying degrees of grain and is intended for painting with water-dispersion paints. After drying, the paint can be washed or painted again 2 – 3 times
contract. Fully non-woven wallpaper is quite thick and heavy. They are easily recognized by the small shiny cellulose fibers on the outer surface of the canvas. They usually have a smooth surface and are used under paint.
Preparing walls for pasting non-woven wallpaper
If you do not want to lose all the qualities of the wallpaper, then before gluing non-woven wallpaper you need to prepare the walls well. Firstly, old wallpaper absorbs over the years of use
many chemicals from the surrounding air, including allergens contained in house dust.
Secondly, old paper wallpaper may have defects – tears, abrasions, dirt from grease and dried drops of paint. All this will inevitably affect you when you start gluing a new coating over these defects. This especially applies to thin non-woven wallpaper, which will repeat the relief of old wallpaper.
The third danger is swelling of layers of old wallpaper
, soaked from the effects of glue on new wallpaper. This defect cannot be eliminated and the newly pasted wallpaper may simply move away from the wall along with the old ones.
The fourth disadvantage is that you deprive yourself of the main advantage of non-woven wallpaper – vapor and breathability
. The more layers of old wallpaper you have on your wall, especially heavy and old ones, the stronger the stale air in the apartment will be with the smell of wet paper.
How to glue non-woven wallpaper onto plaster?
Gluing non-woven wallpaper onto plaster is the most common method of installing it. It is important to level the plaster with sandpaper before pasting.
or an abrasive mesh on a block. After this, the surface of the plaster must be treated with finishing putty. If you are using fine-grain plaster, you can do without finishing putty. After sanding, you need to sweep the walls with a brush
to remove fine construction dust and prime the walls with a primer.
In wet rooms, PVA emulsion or liquid glass can be added to the plaster. This is done to increase resistance to mold formation on damp walls.
If the walls under the old wallpaper, the plaster is already peeling off after removing the wallpaper, you need to carefully examine the degree of preservation of the coating and update it
of necessity. The photo below shows how to glue non-woven wallpaper with your own hands. Nothing complicated – just 9 steps and the renovation of the room is ready.
Result of pasting non-woven wallpaper
All finishing craftsmen, without exception, will never begin wallpapering walls if they have traces of old wallpaper. You should do the same if you decide to glue the wallpaper yourself
. It’s not such a troublesome task to remove old wallpaper. All the tools you’ll need:
- paint roller
on a long handle,
- narrow metal spatula
- construction retractable knife
will be needed to remove the covers of sockets and switches
You can buy wallpaper remover
and use it according to the instructions on the package. Old wallpaper will be easy to peel off from the wall surface and remove without much difficulty.
Gluing any wallpaper onto old wallpaper is always a risk. Unpredictable results and the (very high!) likelihood that you will have to redo all the work again. Before re-wallpapering, you must remove the old wallpaper.
Watch an interesting video about how to glue non-woven wallpaper
from real professionals in their field.