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Answering 6 Questions about Applying Plaster over Wallpaper

room interior with wallpaper

Being a homeowner is a responsibility because a house is an investment you must protect. After all, there’s always a chance you’ll stay in one place during your lifetime, especially in retirement. This means applying various improvements for maintenance, such as plaster. However, one question that’s often asked in this regard is whether or not you can use it over wallpaper.

Usually, applying plaster is only done if the drywall is in bad shape or if the wall needs repairs. In these cases, you’ll want to ensure the wall is smooth before applying the plaster. But if you’re dealing with wallpaper, there’s a good chance the surface will be rough, making it a significant challenge when using plaster. Simply trying to use it can be disastrous, so not much can be done if you decide to do it out of nowhere. For this reason, we’ll answer several questions that get asked in this regard. Some of these include:

#1 – Is It Possible to Apply Coat over Wallpaper?

A wallpaper could get in the way of a homeowner’s desire for a plain wall because it can be difficult to remove and may require professional help. Removing the underlying layer of paint or drywall may also be necessary before installation, depending on the type of wallpaper.

Because of this, you must know the potential difficulties with wallpaper before installing it in your home. If you are not confident in your ability to remove it or do not want to deal with the hassle, it may be best to choose another option.

#2 – Is It Possible to Put Plaster over Paper?

You should never apply plaster directly on top of paper because it will not adhere correctly and will start to peel away shortly after. Remove the old paper if you want to apply plaster to a wall that already has paper.

It’s also worth noting that applying plaster over paper can be extremely difficult and may not produce the best results. If you’re determined to do it, remove as much old wallpaper as possible and use a strong adhesive to attach the new plaster.

#3 – Can You Apply Plaster over a Woodchip Ceiling?

You can plaster over woodchip wallpaper, but you must first ensure that a strong layer of paper is bonding to the wall. Otherwise, the plaster will sag and create cracks in the surface. This is an excellent way to create a textured look without having to add any extra thickness to the wall.

Furthermore, it’s also possible to paint over woodchip wallpaper. However, you should be aware that this may not produce the best results since the texture of the woodchip paper may show through after painting. It’s best to paint over woodchip wallpaper with a primer before painting to help smooth the surface.

#4 – Can You Apply Coat after Removing Wallpaper?

Yes, you can, but you should use a joint drywall compound, an adhesive that can seal gaps in a wall’s seams. A joint drywall compound seeps into the cracks and bonds the pieces of drywall together. This will make the wall stronger and less likely to develop cracks in the future.

When removing wallpaper, you must take time and be careful not to damage the drywall underneath. Once the wallpaper is removed, you may notice some cracks in the drywall. These can be repaired with a joint drywall compound. Once the repairs are made, you can apply a coat of paint to the walls.

#5 – Is Plaster Applicable over Glue?

This is possible, but it depends on the amount. If there is a lot of glue, try to remove it as much as possible. You can test a small area to see if a plaster coat works. From there, you can gauge whether or not you need to remove more glue before applying the plaster coat. It also helps to apply the plaster in thin layers so that the glue has less opportunity to seep through.

#6 – How Much Can Plaster Cost?

Assuming that you are talking about the cost of plastering a wall, the price can vary depending on the size of the wall, the type of plaster used, and other factors such as the contractor’s experience. Typically, plaster can cost up to $30 per square foot. However, the price can vary depending on the project’s scope, so shop around to get the best deal possible.


Plastering a wall is a skilled trade and takes many years of practice to perfect. Many different techniques can be used when plastering a wall, and the type of finish you are looking for will dictate which approach is best suited. If you are looking for a smooth, professional finish, then it is best to hire a professional plasterer to do the job for you.

If you’re looking for plasterers in Brisbane, We Plaster & Recruit can help you! Our professional plastering contractors use only the best materials, so we assure you that your home will always look beautiful. Simply go to our website to request a quote!

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