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Old 10-11-2015, 03:12 PM   #1
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Caulk or Eternabond

Getting ready to redo the seams on my fiberglass roof on our 39' DP. Which would you do and why? Eternabond or Caulk??
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Old 10-11-2015, 04:16 PM   #2
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Quote:
Originally Posted by sgtjoe View Post
Getting ready to redo the seams on my fiberglass roof on our 39' DP. Which would you do and why? Eternabond or Caulk??
sgtjoe,
Well Sir, I just went through all this with a small re-sealing of the roof joints-to-sidewall on our '04 Itasca Horizon 36GD with the C-7 330HP CAT. I had a couple of feet on one side and, about 3 or so on the other, that the roof-to-sidewall glue/caulking joint had given way and was pulled away from the j-rail.

Well long story short, I contacted a local RV repair facility here where we live and, was told that 100% Silicone would work for my application and that, that's what they do for that repair on a daily basis. So, I purchased some and, proceeded with the re-caulking.

After which, I posted on here about my re-seal and, was promptly told, I used the wrong sealant and, it will simply not last. I was told to go find a Urethane sealant which, supposedly is what Winnebago used in the first place.

So, to answer your question. I'd look up the callout sheet for all the sealants for your particular coach and, find or purchase just what they used or, something identical to it, in your local big box store, i.e. Home Depot, Lowes etc. But, I'm not fan of putting TAPE all over the seams on my roof so, that's just my opinion on that .
Scott
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Old 10-11-2015, 04:47 PM   #3
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Thanks, I read your post that's what made me post mine. I used the self leveling stuff from CW years ago and while it has held up good for several years it looks kinda ugly. My expertise in caulking is certainly lacking something to be desired.

If anyone has used Eternabond, could you post some pictures of how it looks??
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Old 10-11-2015, 05:13 PM   #4
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I can't post pictures right now but I did my 2004 Southwind about 4 years ago with Eternabond because I had read a lot of great reviews. My original caulked seams looked horrible were cracked and looking like they were ready to leak. Washed my roof last week and looks like the day I put them on. Cleaned the caulk really well with simple green and applied the Eternabond right on top of the caulk.
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Old 10-11-2015, 05:20 PM   #5
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We had a 2002 Beaver Patriot, in 2003 I redid the cap seams with Eternabond... When we sold the rig in 2013 the Eternabond was still holding strong!! Another point, our Newmar came with the caps sealed with Eternabond from the factory...
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Old 10-11-2015, 05:23 PM   #6
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Here was my experience on a one year old MH with caulking. Lots of photos on the different pages as I went along. Started the Eternabond Tape project, good thing I did
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Old 10-11-2015, 08:41 PM   #7
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Ok Gents, may be and possibly is a dumb question, but here goes. I'm wandering if you could spay Flex Seal on those cracked areas that need a lil attention??? They have clear, white and black. On fiberglass and tape of course.


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Old 10-11-2015, 08:57 PM   #8
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At $20 a can I'll stick with Eternabond. Probably take 10 cans or more to do a MH. Consumer Reports didn't really like it.
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Old 10-11-2015, 09:10 PM   #9
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I have used both and for me this works the best on fiberglass
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