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Old 07-05-2022, 10:41 PM   #1
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2020 Wildwood underside vapor barrier

I was doing some routine maintenance and noticed that the vapor barrier on the underside of my camper was shredding. Looking at the material, I saw that it was flimsier than one of those blue tarps. It appears that the vapor barrier was set on the frame and then the floor was put down. Wherever a piece of wood intersected the metal frame Iím seeing signs of the material starting to shred. After cleaning the material and frame, I used some really wide gorilla tape to temporarily close up the shredded and starting to shred areas.

Has anyone elseís trailer have this happening? If so how have you handled it? Iíve heard that some other trailers use coroplast sheets to secure the underside instead of fabric. Might that be a viable alternative to a major investment in gorilla tape?
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Old 07-06-2022, 08:57 AM   #2
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Quote:
Originally Posted by Highinthemountains View Post
I was doing some routine maintenance and noticed that the vapor barrier on the underside of my camper was shredding. Looking at the material, I saw that it was flimsier than one of those blue tarps. It appears that the vapor barrier was set on the frame and then the floor was put down. Wherever a piece of wood intersected the metal frame Iím seeing signs of the material starting to shred. After cleaning the material and frame, I used some really wide gorilla tape to temporarily close up the shredded and starting to shred areas.

Has anyone elseís trailer have this happening? If so how have you handled it? Iíve heard that some other trailers use coroplast sheets to secure the underside instead of fabric. Might that be a viable alternative to a major investment in gorilla tape?

You could use some automotive spray undercoating. Material is "rubberized" and similar to the spray-on bed liners.

It will bond to the "shedded vapor barrier" material and bond to nearby metal stabilizing/sealing it all.

3-M makes a product and 3 cans will cost you ~$37 on Amazon:

https://www.amazon.com/3M-Undercoati...13647526&psc=1
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Old 07-06-2022, 09:19 AM   #3
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if you want to stick with the original material, here is a repair package.
https://www.automotiveauthorityllc.c...le-home-camper
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