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Old 10-26-2015, 07:58 PM   #1
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3M Sealing tape. Trying to find it

Some time ago, here on the Forum, I read about a product made by 3M. If my memory is working it is a polyurethane sealing tape. I recall looking it up and I think it was about 3" wide and available in about a 36" length. (Not sure about this) . I think a product like this just might work to seal roof vents and skylights.

I'm hoping someone out there can help me recall the specific product name and if it is appropriate for rooftop sealing jobs. It was fairly expensive but if it works I will give it a go for my upcoming skylight project.

Thanks all, in advance

Roger in NJ
# 4509
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Old 10-26-2015, 08:01 PM   #2
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It sounds as if you are describing Eternabond. It isn't a 3M product, though.
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Old 10-26-2015, 08:03 PM   #3
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I would recommend Eternabond tape

For the application you mentioned, I would recommend Eternabond Alumibond:
EternaBond | AlumiBond / A-Seal, A Seal, Aluminum Faced

I sealed the seams and around all of the roof vents (plumbing and air) on our 34' Avion. I ordered 2 of the 4"x50' rolls, used about one and a half of them to do the entire roof.
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Old 10-27-2015, 07:01 AM   #4
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Thumbs up 3M.....Extreme Sealing Tape

3M Extreme Sealing Tape .....I've always ordered it from A-zon.

Tech Data

#4412 is the only one I'm familiar with


I did use it for sealing the curb on a new skylight from Inland RV, 5yrs still good as new.
You'll find many uses for it, it has a permanent spot in our traveling tool box.

Bob
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Old 10-27-2015, 12:10 PM   #5
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Try 3M.com
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Old 10-27-2015, 03:47 PM   #6
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3M vhb tape

We use this on our fiberglass sailboats to hold plexiglass/acrylic "windows" on. Very, very strong stuff.

3M™ VHB™ Tape3M™ VHB™ Tape
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Old 02-06-2016, 06:17 PM   #7
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Can this be used to seal a wood surface? We have a leak in the attic from the frame around the exhaust fan.
Gloria
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Old 02-07-2016, 12:06 PM   #8
CLOUDSPLITTER "Tahawas"
 
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Thumbs up

Quote:
Originally Posted by gghayes View Post
Can this be used to seal a wood surface? We have a leak in the attic from the frame around the exhaust fan.
Gloria
I've used 3M Extreme Sealing Tape on most smooth surfaces, more important is CLEAN. Remove all dirt & grease and it will stick.

I did the curb on our replacement skylight 5 Seasons ago....SFSG, no leaks & still
pliable.


Bob
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Old 02-08-2016, 09:42 AM   #9
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Ok. Thanks I will try it
Gloria
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Old 06-04-2016, 12:38 PM   #10
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Has anyone compared 3M Extreme Sealing Tape longevity with Eternabond longevity?

Iv read removing EB can be a challenge. Worse then silicone caulk?

Anyway, I want to know which roof tape lasts the longest. And how difficult is the 3M tape to remove?

Thanks!
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Old 06-28-2016, 08:38 PM   #11
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A bit late, but just another "vote" for Eternabond (the 3M may be fine too). I have started cleaning out the old goup around my roof vents then resealing with Sikiflex followed applying Eternabond tape (after the Sikiflex dries). I first used it on the rubber roof on my previous SOB. It promptly put an end to my roof leaks. I think that stuff will last many many years and save constant resealing. I have even purchased some 1" wide stuff that i might apply to the roof seams so can forget worrying about them for a long time. Of course, like any job, prep - a good cleaning - is the key to a lasting job.

Attached is a pic of my rear roof vent with the Eternabond tape applied to the frame edges.
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Old 07-09-2016, 11:47 AM   #12
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3M user

I was googling 3M Extreme Sealing Tape and came across this discussion. I have used it for 2 years now to seal running lights and damage on my Lance roof. It is holding up real well. It appears that 3M has done a good deal of real world testing on this product for many applications including trailers. It is interesting that not many RV owners have tried it, but it is not cheap. I am getting ready to order more to seal the components on the roof.
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