Vinyl Papers and Bubbling

Digital ImageIf you look closely to the left of the mirror, you can see little air bubbles under the wallpaper. This is called “off-gassing” – I just call it “burps.” 🙂

This happens mostly with pre-pasted paper-backed solid-vinyl wallpapers, and is a result of the wet backing trying to dry, but the moisture being trapped between the wall and the vinyl. Usually, small bubbles like those in the photo disappear as the paper dries.

But sometimes, like with this paper, very large, even fist-sized air pockets will develop. So I always go back over the room a few times, chasing these bubbles out with my smoothing brush or squeegee.

I usually recommend against these paper-backed solid-vinyl papers, and this is one reason why. Another reason is that, in humid rooms such as bathrooms, the backing tends to absorb moisture, which leads to curling at the seams, something that cannot be reglued or repaired.

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