Good Sam Club Open Roads Forum: How to Clean Underbelly of TT After Removing Tape
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 > How to Clean Underbelly of TT After Removing Tape

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pmlevine

Massachusetts

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Posted: 05/06/22 01:37pm Link  |  Quote  |  Print  |  Notify Moderator

After removing old underbelly tape from my TT, what is the best procedure to clean the underbelly before applying new tape?
Thanks, Phil

Grit dog

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Posted: 05/06/22 02:58pm Link  |  Quote  |  Print  |  Notify Moderator

Not sure what the tape is doing, what kind of tape it is, or what it is being applied to, but the following applies regardless.
Clean dirt off first.
Then a solvent to remove any oils or contamination if the surface is solvent resistant.
If not, good ole glass cleaner like like Sprayway work well also


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Microlite Mike

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Posted: 05/06/22 05:12pm Link  |  Quote  |  Print  |  Notify Moderator

Best i've found is lacquer thinner or acetone. Other "degreaser" type cleaners work too.

If the underbelly area you are applying new tape has dirt/mud on it, clean first with some spray cleaner like 409, etc. Then wipe with lacquer thinner or acetone. (not mineral spirits/paint thinner as it can leave an oily residue behind).

The more free the surface is free of oily residue, the better the tape's adhesive will stick.

As for Tape, I really like Gorilla Tape in Black for taping my trailer's belly cover where needed. I might even consider Eternabond if I needed something more durable and Eternabond recommends cleaning with their cleaner which is just Acetone in an aerosol can. They also have a primer that really makes their product stick.


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Grit dog

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Posted: 05/06/22 05:27pm Link  |  Quote  |  Print  |  Notify Moderator

So seams on plastic.
Most degreasers, like used with water say for engines or floors etc leave a film.
Even some solvents like acetone still leave a film (not detrimental to tape sticking, but not acceptable for a paint prep.
If you use degreasing type cleaners I’d still hit it with a solvent or glass cleaner.
And yes good quality duct tape will last a long time. Especially when not exposed to UV. But Gorilla Tape is the bomb.

pmlevine

Massachusetts

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Posted: 05/07/22 08:20am Link  |  Quote  |  Print  |  Notify Moderator

Thanks everyone. I have to redo the underbelly tape job done by an RV service tech - I had the black water shut-off valve/&cable replaced, the original underbelly of the TT had to be cut into in order to gain access to replace the valve/cable assembly. After returning home, I inspected the underbelly repair, and found several areas where the tech applied patch tape which did not cover some of the cut seams. I also did not find the patch tape to be of good quality - it’s a long drive for me to haul the TT back to the RV service site, so I’m redoing the patch tape job myself.
Phil

Grit dog

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Posted: 05/07/22 09:21am Link  |  Quote  |  Print  |  Notify Moderator

That makes sense, thank you.
I still believe I’d use Gorilla tape unless there’s an even better reccomendTion come up.

Lwiddis

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Posted: 05/07/22 01:11pm Link  |  Quote  |  Print  |  Notify Moderator

Post a review to the tech’s Facebook page. Shoddy workmanship!


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GrandpaKip

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Posted: 05/08/22 07:23am Link  |  Quote  |  Print  |  Notify Moderator

Scrim tape for exterior application. Better than gorilla tape in my experience.


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K_and_I

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Posted: 05/09/22 04:03pm Link  |  Quote  |  Print  |  Notify Moderator

I recently had to do some work that required cutting the coroplast. The dealer had done some taping before I took posession of the camper, and this is what he used:

Tape

It had held up well for 10 years, so I bought the same and used it. I cleaned the coroplast with rubbing alcohol and used a little heat from a heat gun. It sealed up well.


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BurbMan

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Posted: 05/09/22 06:08pm Link  |  Quote  |  Print  |  Notify Moderator

FYI, I spent $$ on the Darco OEM underbelly tape, but the best tape that I have found for underbelly use is the Gorilla Tape they sell at the home centers. Stuff sticks like iron and is impervious to the elements.

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