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Old 04-02-2017, 09:44 PM   #1
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Roof caulking.

Was on the roof today to wash it and noticed a crack in the caulking on the driver side rear cap. I'm not sure what to use to repair it. I also have several areas on the sides that need to be re-caulked. just use the same type of caulk for those areas? Thanks in advance.
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Old 04-02-2017, 10:04 PM   #2
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I've never have had to do it yet, but there has been a couple of good threads here about using Eternabond. The latest one was just the past day or two.

http://www.forestriverforums.com/for...nce-90060.html
Eternabond - Some Before And After Photos
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Old 04-03-2017, 03:55 PM   #3
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Quote:
Originally Posted by Scrapper View Post
I've never have had to do it yet, but there has been a couple of good threads here about using Eternabond. The latest one was just the past day or two.

http://www.forestriverforums.com/for...nce-90060.html
Eternabond - Some Before And After Photos
I was planning on using eternabond on the front and rear cap seams. I figured that this particular area(photo) would need to be fixed first. Plan on covering with eternabond after its repaired. Im not sure what type of caulk to use. The only thing i can find is dicor and "dont use silicone" on previous threads. This area is on the downhill slop of cap and the dicor self leveling caulk would just run down the side. I also have several areas on side trim that need to be re-caulked.
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Old 04-04-2017, 03:55 PM   #4
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Sorry it's taking so long to respond. I'm not sure why others haven't replied that have your same RV.

It looks to me that you could have a fiberglass roof. If that is the case then you should be able to use dicor. Dicor even makes a caulk for vertical seams which is what you would need here. You would need to clean the area with something like acetone, mineral spirits or rubbing alcohol. If you have a rubber (EPDM) or TPO (Alpha) roof the manufacturers warn against using mineral spirits. I have never seen any mention of denatured alcohol. I don't know why it would not be good to use. The way to tell if you have a rubber (EPDM) roof is it is smooth. A TPO (Alpha) roof looks like an orange peel. The reason I say it looks like a fiberglass is it looks like it has a lot more texture than the Alpha roof which is what I have.
There are several good downloads in the Library section in the green bar at the top of every forum page.
EPDM roofs:
http://www.forestriverforums.com/for...?do=file&id=17
http://www.forestriverforums.com/for...?do=file&id=18
TPO-Alpha roofs:
http://www.forestriverforums.com/for...?do=file&id=19
http://www.forestriverforums.com/for...?do=file&id=20
http://www.forestriverforums.com/for...?do=file&id=21
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The Faster I Go, The Behinder I Get.
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Old 04-04-2017, 08:50 PM   #5
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Thanks for the replies scrapper.
I'm pretty sure its fiberglass. I just ordered the dicor. I'll clean it up and get it patched. I think I'll cover the seam with eternabond then.
Thanks again.
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Old 04-04-2017, 09:01 PM   #6
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Glad to help. I would cover it with eternabond too.
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