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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Patching an enclose underbelly

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traildog

Pendleton, IN USA

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Posted: 07/29/22 09:36am Link  |  Quote  |  Print  |  Notify Moderator

So, I pulled my rig in a massive rain storm and a few days later, I see water dripping from an opening in the underbelly material.

I'm thinking leaky plumbing so, I make a slit in the material so I could take a look. No leak so I assume it got in there from the rain.

So now I've made an unnecessary cut in my underbelly because there are
NO accessible fasteners to open it.

I've tried to you Gorilla tape to close it but it didn't stick.

Any sugestions?


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Lwiddis

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Posted: 07/29/22 09:48am Link  |  Quote  |  Print  |  Notify Moderator

I'd try Eternabond tape. It will stick.


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TurnThePage

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Posted: 07/29/22 09:53am Link  |  Quote  |  Print  |  Notify Moderator

Eternabond is ugly but it work well for that application. And it doesn't show anyway.


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MFL

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Posted: 07/29/22 12:03pm Link  |  Quote  |  Print  |  Notify Moderator

If you have a fiber insulation in the belly, it should be dried out/replaced. You can make a 3 sided window for a better look, and then purchase an oversized piece of coroplast to cover. Sheet metal screws will hold the cover to existing coroplast.

Jerry





ford truck guy

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Posted: 07/29/22 12:17pm Link  |  Quote  |  Print  |  Notify Moderator

^^^ What Jerry said..... Dry it all out and apply Eternabond


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klutchdust

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Posted: 07/29/22 01:22pm Link  |  Quote  |  Print  |  Notify Moderator

What material is the underbelly made of. If metal of some sort I would pop rivet an aluminum patch .

ford truck guy

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Posted: 07/29/22 01:28pm Link  |  Quote  |  Print  |  Notify Moderator

klutchdust wrote:

What material is the underbelly made of. If metal of some sort I would pop rivet an aluminum patch .



Usually it is Coroplast - - Coroplast at Lowes

Thermoguy

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Posted: 07/30/22 09:43am Link  |  Quote  |  Print  |  Notify Moderator

They make Coroplast tape - I haven't tried it but it should work. I have a couple cuts in mine as well. I used what I had laying around. Not great, but hasn't come undone.

stripit

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Posted: 07/30/22 07:22pm Link  |  Quote  |  Print  |  Notify Moderator

I used to cut a three sided flap with the solid side facing forward. Made sure the opening was wide enough for my shoulders to fit up and into the bottom.Then once finished up inside to reseal the flap I bought 2 inch by 1/2 inch thick wood slat, cut that wood so one inch would lay inside the cut out and one inch would lay where the flap would be and used 1 inch screws to secure the flap back into place. I used 3 pieces of wood to secure the flap. Then used either a quality tape or ran a bead of weatherproof sealant along the slit. If and when I need to get back into that space, the screws were easy to remove and reopen the flap.I made 4 of these under my 5th wheel for repairing either plumbing or slide out rams.


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campermama

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Posted: 07/31/22 07:53am Link  |  Quote  |  Print  |  Notify Moderator

I used gorilla tape on mine, you just have to clean the area real good first! Works great!


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