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Eternabond vs. Flex Tape

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I have my trailer seams covered by Eternabond but see "Flex Tape" advertised a lot on TV.  Anyone used this for any projects and how did it hold up?  I have used Gorilla tape on a rear seam of a travel trailer my kids had and it wasn't peeling even after two years in the weather.

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I saw that flex tape ad , too . Must be some pretty good glue on it . But , I wonder just how long it lasts .

I used roof repair tape from Menards . It's made by Owens Corning . That 'installation' was 6 & 7 years ago . It shows no sign of degradation that I can see .

It's cost is minimal compared to Eternabond . And , it happens to be on sale right now for an even better savings .

1511850.jpg

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Consider a seamless, leakproof roof system like RVFlexArmor.  We installed on our Motorhome and it is totally awesome.  No seams remain, no places for leaks except the AC Gaskets.

JohnnyB

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1 hour ago, brunsje said:

Consider a seamless, leakproof roof system like RVFlexArmor.  We installed on our Motorhome and it is totally awesome.  No seams remain, no places for leaks except the AC Gaskets.

JohnnyB

Thanks but my roof is doing fine.  The Eternabond is beginning to peel a bit on the cap seam after six years.  Going to redo that section.  Just was wondering how rugged the Flex Tape really is.

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Never used flex tape but I would be surprised if it's as good as eternabond. That crap is incredibly sticky, just try to remove it. Flex tape also seems to come on smaller rolls so it's not really cheaper either. 

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10 hours ago, Pat & Pete said:

I saw that flex tape ad , too . Must be some pretty good glue on it . But , I wonder just how long it lasts .

I used roof repair tape from Menards . It's made by Owens Corning . That 'installation' was 6 & 7 years ago . It shows no sign of degradation that I can see .

It's cost is minimal compared to Eternabond . And , it happens to be on sale right now for an even better savings .

1511850.jpg

Hmm.  Trip to Menards is due.  My car hauler has a few issues at the top edges.

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2 hours ago, pethier said:

Hmm.  Trip to Menards is due.  My car hauler has a few issues at the top edges.

The factory tape on the seam of the front cap and the roof of our Monaco was showing it's wear .

I applied the 6" wide roof repair tape over the factory tape that was starting to dry and the forward edge was lifting . The factory tape is 4" . I sprayed a bit of 3M adhesive between the loose factory tape backing and its original 'glue' . Let that cure for a short while before applying the 6" on top . 

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I have no experience with it, but I'm with, jollyrogr. I find it difficult to believe anything is going to have more stay power than Eternabond or Menards in RV applications.

I do know the flex tape website's "fine print" says it is only intended for temporary repairs and that the tape itself is easily removeable. It also gives a list of things it WILL adhere to, but also has an oblique list of things it WON'T.

Those, in and of themselves would make me inclined not to try it in any area of importance or as a semi-permanent fix.

As a quickie "duct tape" alternative in some applications... it might have value. Duct tape is easily defeated by water under any pressure so maybe this stuff would be an improvement until a permanent fix can be had. Worth looking in to.

Edited by Yarome

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Skeptics take note: In the FlexTape ad, they cut a boat in half and stuck it back together. When you cut aluminum, you don't get a shower of sparks....................

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I just put some flex seal tape on the back of my toyhauler to cover a hole that got to close to a tree branch. (Back wall not roof.) Not real easy to work with. Extremely sticky and if it gets anywhere close to something it reaches out and grabs it! It does NOT come back off easily. Just put it on this weekend so don't know how it will last. Fairly expensive  8" X 60" roll was $20.

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Eternabond uses a pressure sensitive adhesive.  The harder you roll or rub on it when applying the better it grabs and sticks.  Until some of the "As seen on TV" stuff is time tested and approved of, I'll stay with the proven for maintenance.

BUT

If I'm in a bind and need a hole plugged or covered now anything that will work is fair game.

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One thing I found with Eternabond.  At the corners of my Travel Supreme roof, I had dams built from the connection of the side and cap seams.  Eternabond is subject to leakage from water sitting on the edge of the tape.  Putting a bead of caulk on the edge of the tape where water can accumulated is a good step.

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I agree Mark. I put a bead of Dicor along the front and rear edge when I put the Eternabond on my front cap seal. 

Thanks for the discussion. Guess time will tell if the "miracle " products live up to their hype. 

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