If you have a larger wallpaper bubble, bigger than quarter, cut an X into the bubble and carefully peel back each corner from the center of the X. Then apply some wallpaper paste to each corner and flatten them out with a damp sponge.
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How do I get rid of air bubbles on my wall paper? I made tiny holes and waited 48 hours and they are still there!
By Rina B from UK
Did you rub them or go over them with a roller? That should do it!
This can be a stubborn fix, but depending on the size of the air bubble I recommend you cut an X into the bubble. Carefully peel back each of the four pieces of the X, apply paste to the paper and reapply to the wall.
You need to purchase a syringe with a small diameter needle or get one from your doctor's office or a friend with diabetes. Fill it with warm water and inject a little into each bubble of the wallpaper. Try to aim at the base of each bubble to keep from ripping a hole in the wallpaper. Then use a flat object such as a clean credit card, a putty knife or a kitchen bench scraper (used in baking) to gently flatten the wallpaper from the far side of each bubble, smoothing toward the hole you made when injecting the water. Hold the paper flat for a moment, and the water should moisten the wallpaper glue so that it will lie flat forever after. If you didn't use or don't have pre-pasted wallpaper, you may need to add a little white school glue to your water solution to get this to work. I've seen this done many times successfully.
You have to gently push the air bubbles out. If the paste has dried, a method I have found effective is to use an injector like a nurse would use. I am pretty sure you can buy them from a pharmacy, and fill them with wallpaper paste and inject the paste, then you can push the air bubble out.
I have painted over wallpaper that was attached to the sheet rock. There is a bubble about 4 inches in diameter. What is the repair method for this size of a bubble?
I would slit it and flatten it out.
This is not an uncommon problem and pretty simple to fix.