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Do Wall Decals damage walls?

Have you looked into decorating with wall decals but still wonder about if they might leave lasting marks on your walls? This is one of the most common questions we get (for a good reason), because who would not want to know what happens to your walls when it finally is time to remove your precious designs (specially if you are renting).

For the ones in a hurry, the short answer is: yes, although this very rarely happens it is still possible. There is however so much to wall decals that this needs a bit more explaining, so read on if you want to know more. 

The most important thing to remember: heat is your best friend when removing any wall decals. Always use a hairdryer to warm up the stickers before removal.

Part 1: understanding wall decal adhesives and how they work

Wall decals come in all shapes, sizes and materials. If you are worried about your walls, the absolute priority is to make sure that you are using decals with an adhesive for temporary use indoors (most wall decals are like this, but there are always exceptions). We won't go into all possible adhesives out there, but instead focus on the most common one and the one we use: water based acrylic adhesive (the other common group are solvent based adhesives, which are more stable over time but contain solvents).

Don't mind us, we're just bonding

From the moment you attach one of our decals on your wall, the water in the adhesive slowly starts to evaporate and bonds start to form between the decal and the surface. The three main factors that affect the strength of these bonds are: smoothness of surface, time and temperature.

  1. Smoothness: A wall sticker attached on a slightly irregular surface will always be easier to remove than one attached to something completely smooth like glass or steel. Air gets trapped in between the decal and the surface, weakening the bond.
  2. Time: Over time all adhesives harden. Depending on the adhesive this happens faster or slower, but all stickers will become harder to remove as time passes.
  3. Temperature: All adhesives harden in colder temperatures. Heat makes the bonds of the adhesive soft more elastic, making removal easier.

To sum up the list above, if you are worried about your walls: look at how smooth it is and how well the stickers stick. Then be mindful of how long they have been attached, and warm up the stickers with a hairdryer before slowly removing them.

By the way, the great thing with water based adhesives is that they dissolve in water. That means that if the decals would end up leaving any adhesive remains on the wall, these can just be wiped off with a damp rag. A wet rag won't save peeling paint, however, and that is why it's important to also take a look at your wall.

Part 2: understanding your wall

The second part in this interplay between the decal and the wall is, you guessed it, the wall. The trickiest part with assessing if the wall decal will damage your wall or not is trying to figure out how solid your paint in the first place. No matter how easily removable the adhesive is, the paint might still peel off if it is not attached to the wall behind.

Removal of any wall decals is like a simple tug of war. If the bond between the adhesive and the paint is stronger than the bond between the paint and the wall, you can probably imagine the outcome.

Sadly there are no magic tricks to find out how well the wall is painted, especially if you don't know the history of the house. Older walls are generally speaking usually safer, as they have had many layers of paint applied over the years - making the paint harder and more resilient. If the paint looks very thin (with few layers of paint) or you have any doubts about the general quality of the paint job (specially on dry walls) we recommend not to risk it.

If you are painting your own walls, make sure the paint is correctly applied on a clean and primed surface. Dusty or crumbling walls are the worst surface for any paint. Let newly applied paint rest at least 14-30 days (or more), for it to dry and harden enough before applying any decals. Durable semi-gloss or glossy paints are usually safer than softer matte or silky paints.

To make all of this easier, our wall decals always come with a sample sticker. Use this sample in a not-so-obvious spot and leave it attached for at least 48 hours for the adhesive to harden. Remove the sample and re-attach it a few times. If the sticker removes well, then your walls are probably ready for the real deal.


Like we stated in the beginning, in the vast majority of cases our wall decals come off without any problems. However, it never hurts to be extra careful. Here's a handy little checklist on how to use any wall decal with minimal risk.

  1. Check your walls. Try to assess if the paint feels solid and well attached. Older walls with many layers of hardened paint are usually safer than newly painted new walls. Durable semi-gloss or glossy paints are also usually safer than softer matte or silky paints. Use a sample sticker in a discreet place. Leave it attached for a few days before continuing with the rest.
  2. Don't leave your decals attached for too long. Most adhesives will harden over the years, making removal more difficult as time passes.
  3. When removing, use heat! A hairdryer is a great tool which quickly lets you warm up the adhesive making removal so much easier. This is specially important if you see that the wall in itself is cold to the touch (like many outward facing walls tend to be in colder climate countries), or the decals have been attached for a long time.

Using wall decals is a simple, fast and fun way to decorate any space. By understanding how they work you also minimize possible risk that comes with attaching any adhesive product on your wall.

And some statistics: at the time of writing this we have sent out more than 30 000 orders. From all of these, we have encountered under 30 cases of wall paint peeling and 0 cases of stickers leaving any kind of other marks (and in all of the cases of paint peeling, we have done our very best to help).

And remember that you can always get in touch with us if you have any doubts about our wall decals. Your walls and the environment are our priority, and we will always do everything we can to protect both (that's also the reason we wrote this blog post in the first place).

This article has been updated 7.10.2022

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