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Old 10-06-2017, 04:01 PM   #1
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Recaulk Front and Rear Cap Seams

Just washed the roof and noticed the caulking on the front and rear cap seams is starting to dry out and crack. Anyone replaced theirs? Thoughts on using Dicor sealant vs Eterabond tape... Thanks
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Old 10-06-2017, 07:00 PM   #2
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I did both, I removed the old sealant and put Self leveling dicor sealant, l let it set a couple of days and put 6 inch Eternabond, some will say why you are putting Eternabond over it, but it's the way I did, no second guessing if it's sealed. I also did all my cleaning for the Eternabond when I was cleaning up for dicor, I use Acetone and have had no problems, my roof is a TPO roof.
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Old 10-06-2017, 07:24 PM   #3
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I peeled off the old caulk, wiped with acetone, and put Eternabond over the seam.
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Old 10-06-2017, 07:49 PM   #4
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Eternabond has 10 year life, dicor has 2 to 5 years.
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Old 10-06-2017, 07:59 PM   #5
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Eternabond has 10 year life, dicor has 2 to 5 years.
Kind of curious - what happens to the dicor 5 years after being covered by the 10 year Eternabond? I would imagine the eternabond extends the life of the dicor but to 10 years? (I have neither the expertise nor the experience to know for sure).
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Old 10-06-2017, 08:15 PM   #6
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I didn't add that i use Eternaprime in my earlier post before the Eternabond.
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Old 10-06-2017, 08:33 PM   #7
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Kind of curious - what happens to the dicor 5 years after being covered by the 10 year Eternabond? I would imagine the eternabond extends the life of the dicor but to 10 years? (I have neither the expertise nor the experience to know for sure).
I really couldn't tell you the answer. I do know some on the forums, me included, have put Eternabond on the seams before problems started. While doing mine I noticed that FR put Eternabond on the slides where the roof meets the outer wall flange.
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Old 10-06-2017, 09:15 PM   #8
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The caulk will dry out and start to crack. That’s normal and a normal maintenance item to touch it up. Eternabond is a much more long term solution. No need to remove the existing caulk before applying the Eternabond. When I did my last trailer, I touched up the Dicor and allowed it to cure for a week before applying Eternabond over it. I used the 6” wide tape on that joint.
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Old 10-07-2017, 01:17 PM   #9
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Having learned my lesson on or first MH, I taped all the roof seams on or new PrimeTime the day after we bought it
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Old 10-08-2017, 04:41 PM   #10
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Had a good look over our roof this year and added a little Dicor to some spots that looked iffy. Thinking of doing the end cap joints in the spring and Eternabobd sounds like a good solution for the roof Sean's. what is everyone using to refresh the vertical seams on the end caps where they meet the sidewalk of the trailer?
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