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Old 03-08-2016, 08:58 PM   #1
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Can i use eternabond tape on roof

Trying to find out if I can use eternabond tape on the roof of my RV instead of dicor self-leveling caulk?
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Old 03-08-2016, 09:39 PM   #2
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I have used eternabond tape on a rubber roof with good results. Having said that, I would use the dicor when possible.
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Old 03-08-2016, 09:51 PM   #3
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Yes. Some folks like myself put a thin smear (not bead) on the eternabond edges after they are done.

Cleaning up the old dicor is very important.
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Old 03-08-2016, 10:10 PM   #4
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Yes, that's what Eternabond tape was made for. Shortly after getting my new rig home, and while the factory lap sealant was still soft, I put Eternabond over all the roof seams, around the skylight, vents, tv antenna and ladder attachments. Anyplace where the roof membrane had been cut, spliced and sealed. I just cleaned these areas good with Awesome cleaner and a brush, rinsed off, let dry, then wipe down with acetone. Then apply the tape. There are several good you tube videos, and several good write ups here about Eternabond tape.
Bought mine from Amazon.
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Old 03-08-2016, 10:35 PM   #5
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For many situations I would even say Eternabond tape is preferable over Dicor if properly installed.
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Old 03-09-2016, 01:41 AM   #6
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Originally Posted by Davidg View Post
Yes, that's what Eternabond tape was made for. Shortly after getting my new rig home, and while the factory lap sealant was still soft, I put Eternabond over all the roof seams, around the skylight, vents, tv antenna and ladder attachments. Anyplace where the roof membrane had been cut, spliced and sealed. I just cleaned these areas good with Awesome cleaner and a brush, rinsed off, let dry, then wipe down with acetone. Then apply the tape. There are several good you tube videos, and several good write ups here about Eternabond tape.
Bought mine from Amazon.

Did you put the eternabond over the dicor or did you remove all the dicor first?
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Old 03-09-2016, 08:42 AM   #7
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Did you put the eternabond over the dicor or did you remove all the dicor first?
My research led me to believe that I could lay the tape over the existing Dicor because the Dicor was still soft. If you choose to remove it, it must be scraped off. That requires spending a lot of time on that roof, and I've seen roof membranes damaged because someone twisted their shoes, and the rubber material wad up at that point. That stretches the material and it thins out. I believe you should spend the least amount of time as possible on the roof.

Work barefoot. I put the tools and tape in a bucket with a rope tied to the handle, climbed up, removed shoes, pulled bucket up.
Make sure the Eternabond tape you buy is wide enough to cover the seam plus at least a 1" margin on both sides. The tape is expensive, but this is not the place to save money. I bought a roll of 4" and a roll of 6" tape. In some locations I would split the 6" lengthwise to get 2 sections of 3" tape.
When you first start working with the tape, tackle the smallest job first, because there is a learning curve. I suggest this because the tape is not user friendly. When you remove the backing, make sure to not allow the tape to stick to itself. If it does, grab your scissors, because that piece is un-useable.
If you have any other questions, feel free to ask.
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Old 03-09-2016, 09:23 AM   #8
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Thanks

Thanks so much for your time I have a fiberglass roof, I'm going to clean the existing Dicor and then apply the tape. After that'll run it then amount of dicor either side of the tape. Thanks again
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Old 03-09-2016, 09:42 AM   #9
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Encapsulate the dicor , do not remove, that is a PITA job.
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Old 03-09-2016, 12:44 PM   #10
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Yes. Some folks like myself put a thin smear (not bead) on the eternabond edges after they are done.

Cleaning up the old dicor is very important.
Ditto on cleaning roof, I clean my roof 3 times a year and apply UV protector each time this is a priority to me.
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