Wallpaper Coming Loose – Bad News for the Homeowner

I was called to do some repairs today, where the wallpaper I had put up two or three years ago was coming loose at the seams. There was one seam a few feet away from the corner involved, and then also the edge of the wallpaper that fell in that corner.

I reglued the loose seam, and then moved to the corner strip. Before fixing something, I like to understand what went wrong to cause the problem. If you know the underlying cause, you have a better chance of fixing it, and you also have the knowledge to prevent it from happening in the future.

But I could not figure out why this paper was not sticking to the wall. After a little investigating, I discovered … that there was a layer of black powdery mold behind the wallpaper.

After more investigating (which involved pulling the entire strip off the wall), we discovered that there was some kind of water leak, probably from the roof or the exterior wall, that was allowing moisture into the wall. Moisture is going to cause mold / mildew, but with the vinyl wallpaper on top of the wall, which won’t allow air to pass through, the situation is exasperated.

Needless to say, I ceased with the regluing. And needless to say, the poor homeowners have a larger situation on their hands, to find the source of the leak and get it sealed up, and the wall repaired.

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