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Old 07-15-2010, 04:07 AM   #1
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Sealing the inside seams?

I am finishing up patching all of the holes in my skin and about to leak test everything. My question is there something I can spray on the inside of the skin on the seams? I was thinking of using automotive undercoating. there are a few brands that weather extremely well and would be thick enough not to run down the walls. I am really worried about leaks after I seal up the walls and I have bucked several patches and used vulkum but my OCD is getting to me.
thanks
mike
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Old 07-15-2010, 08:38 AM   #2
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do you mean on the inside of the EXTERIOR skin or the inside of the inside skin? im assuming inside of the exterior skin?
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Old 07-15-2010, 09:17 AM   #3
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I used Seamermate amerimax.com (Home Dept.) Comes in a tube for a caulk gun.$4.99This is a non silicone seam sealer for aluminum gutters.I will probably seal the outside too after talking with Bob Thompson (check his thread on this)He applied this product in 2004 and very pleased with the results.It dries silver gray.
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Old 07-15-2010, 11:42 AM   #4
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Yes the inside of the exterior skin, I will look for it at home depot. I was thinking of a spray but that sounds good. I noticed that some of the older as have a black substance on the inside seams and I think a saw something about it being tar?
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Old 07-15-2010, 11:49 AM   #5
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to OVER seal the inner side of the outer skin, patches, holes, fixtures and so on....

use sikaflex 221 and apply LIBERALLY.

or apply tempro/vulkem if u r into that old sealant, period correct stuff.

this is how they do it in j/c on the new units and major skin repairs on older units...

cheers
2air'
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Old 07-15-2010, 12:06 PM   #6
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Uwe's comment

Quote:
Originally Posted by akmntman View Post
Yes the inside of the exterior skin, I will look for it at home depot. I was thinking of a spray but that sounds good. I noticed that some of the older as have a black substance on the inside seams and I think a saw something about it being tar?
Uwe Salwender told me at the Resto Rally to take asoft wire wheel on a drill and clean the seams so the new stuff will stick.
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