Gluing wallpaper on walls without puttying on plaster: is it possible and how long will the pasted finish last

Many homeowners are curious as to whether they can apply wallpaper directly onto plastered walls, omitting the puttying step altogether. Although this method might appear to save time, there are crucial things to think about before using this short cut.

The smoothness and texture of plastered walls can vary, and these flaws can impact how your wallpaper looks in the end. Without putty’s smooth foundation, the wallpaper might draw attention to all of the ridges and uneven areas, creating an uneven and unsatisfactory finish.

The longevity of the wallpaper when it is directly applied to plaster is another issue. The wallpaper may peel or bubble as a result of a weakening of the adhesive bond between the rough plaster surface and the wallpaper over time. Having a clear understanding of these possible problems will enable you to decide whether or not to forgo puttying.

Topic Details
Gluing wallpaper without puttying It is possible, but the surface needs to be smooth and free of dust for best results.
Durability The finish may last a few years, but imperfections in the plaster can cause the wallpaper to peel sooner.
Surface preparation Proper cleaning and priming are essential to improve adhesion and extend the life of the wallpaper.
Appearance The final look might not be as smooth or professional compared to a puttied wall.

Wallpaper on plaster without putty

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Many homeowners fix things on their own. They also have to deal with inquiries that experts can handle.

There are two answers to the question, "Is it possible to glue wallpaper on plaster without putty?": yes and no.

Below is a discussion of when and how to apply wallpaper adhesive.

Is it possible or not

In essence, the construction team transfers their putty-free objects to the recipient. Plastered walls with an uneven surface. Can wallpaper be glued onto them?

You must take into account both the level of satisfaction with the work and the quality of the plaster used in order to respond to this question. You shouldn’t glue the wallpaper down without first processing it if the plaster is made of cement. Regardless of density, large grain will cause issues with the canvas’s tight fit.

Additionally, wallpaper cannot be finalized on gypsum plaster. This is due to a few factors:

  1. The black base absorbs moisture. The applied glue will not hold the canvas for long and it will soon fall off.
  2. The color of the plaster can show through the finishing material, thereby spoiling the appearance with dark spots.
  3. In most cases, cracks appear on the rough base. They have a different nature, but the consequences are the same: the wallpaper either tears in these places or peels off.

With these explanations, you are able to respond to the question in detail: no. Putty is not always necessary when adhering wallpaper to plaster, though. Also, you can accomplish this by working on some preliminary tasks.

When you can glue

When applying a fresh decorative coating in place of an outdated one. In other words, the surface needs to be cleared of the outdated wallpaper. After moistening the surface, the spatula is used to carefully remove it without harming the rough base.

Without leaving any trace, old canvases are removed. If any fragments remain, they are soaked in water, allowed to sit for five to ten minutes, and then easily removed.

The room is then properly dried and ventilated. Check for fractures. Upon discovery, they are enlarged, primed, and covered with sickle tape. There won’t be any more disparity.

It is necessary to process any metal objects (such as screws and nails) that are present on the surface. To ensure that no rust is left, this is painted using ordinary paint.

Using a dry cloth or soft brush, remove all paint and dust once the solution has dried on the cracks. There is a deep penetration primer applied to the surface. Two goes better than one.

Once the task is completed, you can start the gluing procedure.

When not to

Cement mortar is frequently used to plaster the walls and ceilings of newly constructed homes (apartments, houses).

When applying glue, cement will absorb all of the moisture. The wallpaper won’t adhere to the surface. Furthermore, gray patches will eventually develop on the ornamental finish, detracting from the overall look.

Therefore, a number of tasks must be completed before beginning the main process.

  1. Clean the base. Seal holes and cracks. Clean from dust.
  2. Coat metal objects with rust protection and the entire surface with primer.
  3. After which the walls are plastered.
  4. The last preparatory step is re-priming.

Plasterboard, also known as "dry plaster," is frequently used to level cement walls. However, there are a few other tasks that must be completed with it before gluing the canvases to it.

Requirements for the surface before wallpapering

Prior to applying wallpaper, the wall needs to be in good enough condition to enable long-term and effective wallpaper installation.

  1. There should be no cracks, crevices or holes on the surface. They are reinforced and plastered.
  2. If there are metal objects that cannot be removed, they are coated with protection (regular paint) from rusting.
  3. Primer coating is a must. This will protect the surface from moisture and give good adhesion.
  4. In most cases, the surface is covered with putty. This protects the walls and ceiling from moisture and cracks. And dark spots do not appear on the wallpaper. The coating has a long warranty.
  5. Before gluing the wallpaper, you must choose the right glue. Each type of wallpaper has an adhesive label.

The rough base is covered with putty mixtures prior to gluing. Primers are applied following grouting, and finishing is done last.

What happens if you glue on plaster without decorative putty

Apply wallpaper glue to a cement surface. This poses a risk to the following outcomes:

  • water from the glue will be absorbed into the base – the wallpaper will not last long, it will fall off;
  • when the cement absorbs water, it becomes dark gray. After that, heights appear on it – they will appear on the wallpaper. The appearance will be spoiled;
  • old plaster often has chips, cracks. If you apply a finishing coat to them, after drying the trellis will tear or there will be a void in these places, visible on the surface.

Putty and primer are applied to the surface as a result of these factors. The finishing coat is only glued after that.

Is it worth priming

Both the surface and the finishing coat are shielded by the primer.

First of all, it provides defense against different bugs, fungi, and mold.

Second, the combination offers robust defense against moisture seeping into the rough base. Thus, the composition of the adhesive doesn’t change.

Thirdly, the mixture covers the base evenly with glue that does not flow. The primer encourages strong adherence.

You must select the mixture before using it. Numerous varieties contain antiseptics. This choice is appropriate for the initial priming, which is eliminating midges and fungus. In addition, a deep penetration primer shields the rough base from adverse impacts.

For the second priming under the trellis, use Pufas – white along with "Moment," "Knauf Tiefengrund," and "Ceresit CT 17."

Carefully priming the base is necessary to ensure that no areas are left unfinished and that the corners are not dry. Use a brush if the roller is unable to reach.

What kind of glue to use

The longevity of the pasted wallpaper is determined by how carefully the finishing glue is chosen. Every adhesive solution is meant for a particular kind of wallpaper.

If the covering is thin, use methyl cellulose-based paper glue. PVA glue is used to attach heavy wallpaper.

Fiberglass finishing coating is bonded using a mixture designed just for this purpose. It is designed to be used with these kinds of coatings. Only a solvent can be used to remove this glue.

The adhesive mixture is created in a dry state. It is diluted with water and left for a specific amount of time to allow for swelling, per the instructions.

It is possible, but risky, to glue wallpaper directly onto plastered walls without puttying. Time and effort may be saved, but the finish might not be as strong or smooth, which could result in problems like peeling, uneven surfaces, and a shorter lifespan. Even without puttying, proper surface preparation is essential to ensuring that the wallpaper sticks well and lasts a long time.

Which wallpaper is best to use

Can they be glued to plaster? is a question whose answer depends on the option selected. Usually, one of the following three options is selected:

  1. Paper web – quick erasure and fading. It is difficult to glue, because they swell quickly. There is one advantage – their low cost. They are not glued to a plaster base, even using a primer. Unless temporarily, before gluing a more durable coating.
  2. Non-woven – composition: cellulose and polymers. They are dense, so if the base is made of gypsum plaster, covered with a primer, then they can be glued.
  3. Vinyl – two-layer canvas. Heavy, dense wallpaper. They are glued to a surface covered with putty and primer.

Other kinds of canvases that are less common in the construction industry but add character to the interior design of the space are as follows: Photo canvases, liquid wallpaper, 3D wallpaper, and canvases with diode components.

Every type has different needs for the rough base. You must examine the usage instructions, the glue base, glue, special primer, and the room’s humidity in order to fix them.

Water and cellulose are combined to create liquid wallpaper. You have to prep the surface in order to fix them. This kind of wallpaper doesn’t show the unevenness because it is glued to unputty walls.

Luminous wallpaper comes in various varieties. from the addition of diodes to the use of powdered phosphorus. All of the requirements must be met by the surface. For plastering and priming, it can be covered, but for other types, the base needs to be smooth and perfectly level.

Tips and recommendations

Inquiring as to what surface is suitable for wallpaper adhesive, the professionals advise reading the following advice and suggestions:

  1. When gluing the canvas to the plaster covered with a primer, drafts, open windows and doors are not allowed.
  2. Dry and hot air from the heater contributes to the wallpaper falling off. Therefore, during the drying of the surface, it is necessary to limit the use of heaters.
  3. Plaster has many negative aspects, so before applying the glue, you should carefully prepare the base.

If you follow these easy guidelines, wallpaper applied on plaster will last longer than typical.

It is possible to play a rough base without using puttying. For durability and duration of action, a few preparatory steps are all that are required.

It is possible to apply wallpaper directly to plaster walls without the need for puttying, but there are some compromises. For the wallpaper to adhere correctly and maintain its good appearance over time, the surface needs to be carefully prepared. Usually, this preparation entails cleaning, sanding down any rough edges, and perhaps even priming.

Although omitting the puttying step can save time and effort, the wallpaper’s longevity and appearance may suffer. A less polished finish could result from plaster cracks, bumps, or uneven surfaces showing through. Additionally, because the wallpaper is more susceptible to damage from flaws underneath, its lifespan may be shortened.

If you’re thinking about using this strategy, balance the benefits and drawbacks according to your own circumstances. It may be possible to glue wallpaper without puttying if you’re on a tight budget or need a quick fix. However, spending money on adequate wall preparation is typically a better option if you want a more elegant and long-lasting outcome.

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Veronica Gerasimova

Interior designer, author of books on the design of residential premises. I will help you make your home not only functional, but also beautiful.

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