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Old 01-11-2014, 08:28 AM   #1
ShinyPete
 
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2014 27' Flying Cloud
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Eternabond Tape for the roof

I have searched on Eternabond Tape (shortened EB here) use on Airforums and have seen some mention of it on a couple of threads, but I have some specific discussion points that I want your feedback on. So, I hope this is not a re-hash that becomes annoying.

Coming from the white box with rubber roof world which have lots of humps and corners that trap water, I have used EB and been pleased with it's performance. It goes over old caulk lines, seams, and screw strip lines nicely with proper preparation and patient installation. On our last RV, a 2000 Class A with Britetek roof, I used 150' of it going over every seam and caulk line and a worrisome perimeter cap to wall seam with like 159 screws in it protected only by Dicor globs. No leaks. Ever. In our 6 years with EB on the roof.

Now, we are the caretakers of Pete, a new FC27FB that I want to protect from leaks. So, here we go. I envision putting EB tape over all the caulk lines, roof panel seams, penetrations, etc., etc. Anyplace where I see caulk on the roof I want to prep it properly, apply EB white 3" or 4" tape patiently, and not have to re-caulk with Dicor, Parbond, Acryl-R, or whatever else we use up there for years. I hope. Here's the rub. If I put EB on the roof and it doesn't work like it should, what a mess to remove it. I know it sticks, believe me.

My questions here after writing this novel are "has anyone done it?" "What is your opinion on doing it on a brand new AS roof?" "Does anyone have any experience with EB tape damaging the aluminum finish or the white coating on a new AS roof?" "Any experience with it causing problems instead of preventing them?"

So, jump on in, tell me what you think! Thanks for your input in advance!
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Old 01-11-2014, 08:31 AM   #2
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I used EB on all the roof openings when I installed my replacement skylights. It's only been a year though. So far so good.
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Old 01-11-2014, 08:56 AM   #3
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I have it all over on my Excella. Only one questionable spot.... but not a leak. Looks better than the globs of factory goop and with the metal backer should last forever!
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Old 01-11-2014, 09:17 AM   #4
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I'm interested in this stuff too. I don't have experience with it, but it seems to be superior to caulk in terms of durability and appearance and I'm curious why it's not more widely used in the Airstream world. Does it have disadvantages that I've missed? Is there something about it that offends purists?

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Old 01-11-2014, 09:29 AM   #5
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I personally find zero drawbacks
...unless you need to remove for some reason!

Simple advice is to prep the surface with acetone. Then you're gold.
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Old 01-11-2014, 10:28 AM   #6
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Used it on my Avion, stopped all the leaks now! Jim
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Old 01-11-2014, 10:35 AM   #7
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White or gray? One best width?

Thanks,
Poppy
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Old 01-11-2014, 10:49 AM   #8
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White for the roof. About 2 inches wide? Jim
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Old 01-11-2014, 10:51 AM   #9
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Looking at all the sealant on the roof it certainly makes one wonder if long term leak protection is what they have in mind.

I would also like to know if this is a good long-life product to protect the sealant that protects the seams. Or is it likely to also deteriorate and fail in a similar time as the existing sealants, just making a difficult job even worse, perhaps much worse?
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Old 01-11-2014, 11:12 AM   #10
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Used EB on a Scotty

I used EB on the flat seams on my Scotty roof...I used the aluminum color so it looks great! (My Scotty is a Silverside).

I could see using the silver EB on the very top Airstream seams- those that cannot be seen by a person standing beside the trailer- but not where it could be easily seen.

As for the quality of the product, it is amazing. The previous owner told me the Scotty did not leak- it did. After trying to seal those roof seams with Proflex sealant, I went with the EB and it has been dry ever since.

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Old 03-20-2014, 10:07 AM   #11
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Prepping roof for EternaBond RoofSeal tape

Thanks for all the great information, y'all. This topic has really peaked my interest as I will be resealing my roof soon. In the past, I've just taken my "FreeBird" to the shop to get it re-sealed, but after seeing the results, I'm confident that I can do a better job myself.

My question is how to prep for the tape application. I was hoping that I could just clean the surface of the older sealant/caulk and apply the tape over it. Do I have to remove all the old blobs of sealant first? If so, what's the best way to do that?

Thanks in advance and Best Fishes!
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Old 03-20-2014, 10:44 AM   #12
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I've heard that Avion owners rely heavily on this product.
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Old 03-23-2014, 12:48 PM   #13
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Fishstreamer- When I put the Eternabond tape on the roof seams and penetrations of our class A, I removed any loose caulk, wiped the areas to have EB tape with Acetone (use proper safety gear and be careful ), and EB taped over the bumps, gobs, and screws per the instructions. You use a wallpaper or similar roller to "set" the adhesive properly, and that's pretty much it. I have also used this product on 3 friends' SOB roofs, and my own enclosed box trailer roof seams with great success.

I'm not an Eternabond dealer or employee, although I sound like it, I just like the product. When our Pete returns from getting his warranty punch list items addressed, I think I'll get on with this project. By the way, since I posted this originally in January, I emailed one of the tech gurus at Airstream concerning putting EB tape on the roof, and he saw no reason not to. In fact, he mentioned one of their dealers north of the border uses the product on Airstream roofs.

Thanks for keeping this thread alive, as the point of it is to ask and receive multiple opinions on the product and it's usefulness on our Airstreams!
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Old 03-23-2014, 11:14 PM   #14
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Thanks so much ShinyPete for your thorough and deliberate response. A scientist, like myself, truly appreciates detailed instruction. I will add that on my list to do! Thanks again and I'll let you know if I have any questions
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Old 03-31-2014, 06:56 PM   #15
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I'm a big fan of eternabond too, used it to seal my fantastic fans and a new maxim skylight. I also used their double stick tape.

My process is here on post # 422
http://www.airforums.com/forums/f109...ml#post1373790
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Old 04-21-2014, 11:33 AM   #16
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Update from Shiny Pete. I finally got around to starting on the Eternabond Roof Project on our Pete yesterday afternoon. I peeled and scraped caulk gobs and EB taped the entire perimeter pf the front Fantastic Fan, and will install a Max-Air cover over it as well. I will also be doing the rear FFan the same way.

Now, I know silicone caulk when I see it, and I'm afraid JC is using white silicone on the roof now, or at least tubes full (tubes....full )of something white that is very silicone-like. Does anyone know what it is? I have reviewed the recent caulk threads, but I'm just not sure.

I peeled GOBS of the stuff from around my plumbing vents. I felt like when I was learning to solder-the bigger the glob the better the job? Not Peeling and scraping this stuff off was a job, and I think the EB tape didn't stick to the dribs and drabs that are left. EB won't stick to silicone............

Rambling here.........more later on this project.
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Old 04-21-2014, 11:56 AM   #17
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Could be Dicor self leveling sealer.

Sent from my XT907 using Airstream Forums mobile app
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Old 04-20-2015, 02:09 PM   #18
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I used EB on my previous SOB with great success. Now that I have found a leak on right rear sided over the bed, I am going to seal that seam with EB. I don't see any obvious gaps, but the current, thinly applied sealant is starting to peel up. Mine is a '99 and likely past due for a re-seal anyway. BTW, when I did my SOB I even used some Dicor around the edges of the tape in places where it might tend to leak more than others (leading edges etc.). It seems like a great product and has wide use in the building industry, I don't know why they don't use it at the factory. Likely the cost.
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Old 04-20-2015, 04:04 PM   #19
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Another vote here for Eternabond. I like the Alumibond, since it's silver like the trailer. I have pictures of my project if anyone wants to see them.
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Old 04-20-2015, 04:08 PM   #20
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ok

eb will stick to dicor as it is not silicone based. i have used it on my roof seams and hope it will work as expected. prep it well, follow directions, take your time, get help with the job if another set of hands will be better. nothing is perfect or 100% but i feel this will do the job for my trailer at least at this point. i am 62 and not eager to get up on the roof to caulk much but will. good luck with the eb. i am rooting for all who use it.
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