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Old 07-27-2013, 01:15 PM   #1
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Wallpaper issue

Only one place in whole trailer. It looks like a mountain range. Little peaks an it is growing. What is causing it and what to do to fix it? No evidence of water leak so I am at a loss.
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Old 07-27-2013, 01:34 PM   #2
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I'm confused; is it wrinkling?
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Old 07-27-2013, 02:24 PM   #3
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N

No not wrinkling. It's like these bumps all over in a patch. And the patch keeps getting bigger I have a picture on original post( I think)
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Old 07-27-2013, 03:06 PM   #4
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Old 07-27-2013, 03:39 PM   #5
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The only way to know is to pull some off. Sure looks like you may have some insect infestation to me.
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Old 07-27-2013, 04:03 PM   #6
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I pulled off a couple "bumps". It wasn't bugs. Just this little white hard piece. Almost like a slow moving mold or something. But no evidence that water in it. And when I pulled off that little spot it was dry.
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Old 07-28-2013, 12:01 PM   #7
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I pulled off a couple "bumps". It wasn't bugs. Just this little white hard piece. Almost like a slow moving mold or something. But no evidence that water in it. And when I pulled off that little spot it was dry.
Who built your trailer? My MH has the same lumps in only one spot and has not "progressed" at all in five years.
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Old 07-28-2013, 05:56 PM   #8
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Who built your trailer? My MH has the same lumps in only one spot and has not "progressed" at all in five years.
According to his profile info, it's a Holiday Rambler.
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Old 07-29-2013, 01:18 PM   #9
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This one has me beat. White and hard is not mold but sounds more like calcite or some form of calcium. There has to be some sort of reaction going on in the wallboard but I am no chemist. I wish I could help but just can't imagine what could cause it to "grow" unless there is some source of water on the backside of the board causing calcium to leach through. Please let us know what you find out.
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Old 07-29-2013, 01:43 PM   #10
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water damage
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Old 07-31-2013, 05:53 PM   #11
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Do you live in a high humidity area? It could be moisture from humidity. It could also be out gassing from the plywood. Is this an outside wall? If it was just empty air pockets I would get a syringe and some glue and start poking and pressing until they're gone. If there is something in it, the little white things, I won't work. I wonder if it's crappy wall paper glue, glue that had expired when they built the RV.
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Old 07-31-2013, 05:58 PM   #12
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It is the outside wall of my slide out.
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