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Old 02-24-2011, 04:56 PM   #1
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Best method for roof seam repair?

The seams on my rubber roof where they meet the caps, vents, etc are starting to look suspect and I want to repair them. What is the best way, go over them with Eterna bond, scrape of old sealant and use Eterna bond, go over old sealant with new sealant or scrape off old sealant and put down new sealant?

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Old 02-24-2011, 05:02 PM   #2
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I think the majority of replies will be to remove the old sealant and replace with Eterna Bond.

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Old 02-24-2011, 05:17 PM   #3
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Yes remove any old loose sealant and apply the Eterna Bond. Once it gets put in place it's not coming back up without a lot of work. The best thing is once it's in place your done with seam checking and resealing. I did my coach when it was new and don't have to worry about seam leaks for a long long time.
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Old 02-24-2011, 06:28 PM   #4
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Hi somekevinguy,
For me, I'd clean the seams with a scrub brush and 303. Remove any loose material. Then do the EternaBond thing. Consider two things:
1. buy at least 4" wide
2. snap a chalk line down the roof where you want the edge of the EternaBond to go. With EternaBond one gets only one chance to place it.
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Old 02-24-2011, 07:08 PM   #5
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I like the old fashion way of cleaning, scraping old caulk off, and resealing with Dicor self-leveling caulk.

Problem with eternabond (which is a good thing in many ways) is it's almost impossible to remove if you want to (for repainting, other repairs,etc). I just replaced my satellite dish, and if that thing would have been sealed with eternabond, it would have been a huge job replacing it.

Resealing with self-leveling caulk, if done properly, should last 5+ years. If you check it annually, only spot seals are required.
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Old 02-24-2011, 09:26 PM   #6
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If I do go the eternabond route is it practical to try and use it around really small things like the ladder and plumbing vents?
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Old 02-24-2011, 11:36 PM   #7
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Originally Posted by somekevinguy View Post
If I do go the eternabond route is it practical to try and use it around really small things like the ladder and plumbing vents?
......No, eternabond is only adviseable on straight line seams, or that is what I would do. Use sealant on area's such as the ladder mounts, and vent pipes. Good luck, and travel safe.
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Old 02-26-2011, 05:07 AM   #8
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I Eternabonded my Brave with my Dad in 1/2 day. Simple to use, but prep is everything. While laying the Eternabond, I accidentally put a small piece in the wrong place and had to pull it up immediately...it was very difficult to get up, and it had not "set up" yet. Eternabond is great stuff!! But as said previously get the 4".
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Old 02-26-2011, 04:33 PM   #9
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I used eterna bond on my edges front to back and on the front and rear cap. I cleaned the old caulk with isopropanol alcohol, knocked off the high spots with a putty knife and went over the old caulk. No problems in over a year. Even though I saw a video on using it around vents and ladders, it doesn't work well there.

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