Posts Tagged ‘curling at the seams’

Don’t Use Vinyl In Rooms That Have Drippy Water Or High Humidity

November 9, 2016
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I am getting ready to strip off this paper, which I hung more than a decade ago. (I also hung the previous paper, about 20 years ago, so this will be my third time to paper this powder room!)

The first photo is a seam that happened to fall just where the hand towel hung. Over the years, as people reached for the towel, water dripped from their hand and onto the wallpaper, and then was wicked into the seam. The paper backing would become wet, and swell. Over time, the top vinyl layer delaminated from the paper backing, curling backwards.

The same thing has happened in the two other photos, which show the baseboard around the sink, where, presumably, water also got dripped onto. (This is a home with active children.)

The other walls that were away from the wet areas were perfectly intact, from crown molding to baseboard.

The moral is, solid vinyl wallpaper with a paper backing is not a good choice in areas that will be exposed to water or humidity. Manufacturers try to market vinyl as “bathroom” wallpaper, because it is more washable than paper wallpapers, and because water will roll off its surface. But water will also get sucked into the seams, and cause the delaminating and curling that you see here.

Not surprisingly, these paper-backed solid vinyl wallpapers tend to be at the lower end of the price range.

Much better choices are wallpaper made with a paper surface, or a vinyl-coated surface on a paper backing, or even the newer non-woven materials, especially the thinner ones.

Note that solid vinyl on a scrim (woven fabric) backing is a whole ‘nother animal, and will hold up quite nicely in a splash-prone area.

In all cases, I like to run a bead of clear caulk around the top of the sink, to prevent splashed water from being wicked up under the wallpaper.

Vinyl Papers and Bubbling

June 25, 2014

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.