![]() So, essentially yes, it is recommended that you prepare correctly and remove the wallpaper or woodchip. Plaster doesn’t dry correctly and starts to crack and blister.The wallpaper softens and peels away with your plaster attached.If you do leave your wallpaper on the walls or ceiling, you could experience issues. However, it is certainly not best practice. This is especially true if they seem firmly stuck to the subsurface. So, is it just better to remove the paper?Īs we have already discussed, it can be tempting to just skim over old wallpaper and woodchip. ![]() This can dry out the plaster too quickly and cause it to crack or bubble, requiring you to rectify the problem, to achieve a smooth finish. The result could be the wallpaper peeling away from the ceiling, which would cause the plaster to fall to the floor beneath.įurthermore, if you remove moisture from the plaster, it will interfere with the chemical reaction in the drying process. This could soften the wallpaper, which could cause the adhesive beneath to weaken. In the same way as wallpaper on walls, the wallpaper could suck some of the moisture out of the plaster. Naturally, gravity is going to pull the plaster downwards and this is where you could experience a problem with plastering over paper on a ceiling. When you apply plaster to a ceiling, there are forces involved. This is an area where you really should put in the extra effort and get it stripped off. There are some instances where you might find wallpaper on a ceiling. Can you skim over wallpaper on a ceiling? Yes, it is a tedious job, but doing it right should mean you only need to do it once. As there is always a risk of this happening, it is recommended that you just bite the bullet and strip the walls. If the woodchip fails and starts to come away from the wall, the plaster will come away with it. How long the skim coat of plaster lasts will depend on the woodchip. This will create a primed surface, that makes it easier for the plaster to bond to. You can do this by applying something like blue grit to the surface of the woodchip. ![]() ![]() Should you opt to plaster over woodchip, you will need to prime the surface which will give the plaster the ability to bond to it. However, the recommendation is to remove woodchip where possible. Woodchip is known to be difficult to remove, which might make you consider plastering over. ![]()
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