Good Sam Club Open Roads Forum: Can I seal the front of my 2007 TT?
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 > Can I seal the front of my 2007 TT?

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Gdetrailer

PA

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Joined: 01/05/2007

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Posted: 12/02/20 05:55pm Link  |  Quote  |  Print  |  Notify Moderator

Don't think anything is going to "seal" that as is.

There is no quick fix or short cut, the top surface (gel coat perhaps?)which is breaking needs to be sanded down until you find good smooth surface. It would be difficult to bridge all of the cracks in the top coat and highly suspect it would fail quickly which is why that top coat would need to be removed down to good surface, keeping in mind that the panel is pretty thin to start with.

Don't go at it with 60 grit and a grinder..

With most everything in life "prep" is key to making things look good and last.

Then will want to use a decent primer and paint for outdoor exposure and will get good adhesion to fiberglass and resin.

Have you tried sanding down one of the little cracks to see if it goes deep?

If you just slap paint on that surface as it is, the paint will simply crack open at every place that it is cracked..

You will need to also remove the decal so you can treat the entire surface and it will look better than a old faded decal beside fresh paint.

It most likely is fixable, I doubt that the cracks go very deep and are more of an issue with the Gel coat failing. As long as it is just the gel coat failing I doubt that you are getting water past the rest of the front, that is most likely coming in from the roof line..

If the cracks go deep, then it may be far easier and faster to see if you can get a sheet of FRP large enough to glue over top. The FRP used on RVs is also called "Filon" which is a brand name for this very thin FRP.

Found 8.5' by 10' piece of Filon on Amazon for $360..

HERE

Or if you have a place that you can create a breaking point (like a front window) you can get 8.5' by 5' piece to just cover the worn out top area..

HERE

campingwiththoreau

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Posted: 12/03/20 11:04am Link  |  Quote  |  Print  |  Notify Moderator

Thank you for the informative post. Posting picture of the full front. As you can see- it appears to be delaminating....


[image]





Gdetrailer wrote:

Don't think anything is going to "seal" that as is.

There is no quick fix or short cut, the top surface (gel coat perhaps?)which is breaking needs to be sanded down until you find good smooth surface. It would be difficult to bridge all of the cracks in the top coat and highly suspect it would fail quickly which is why that top coat would need to be removed down to good surface, keeping in mind that the panel is pretty thin to start with.

Don't go at it with 60 grit and a grinder..

With most everything in life "prep" is key to making things look good and last.

Then will want to use a decent primer and paint for outdoor exposure and will get good adhesion to fiberglass and resin.

Have you tried sanding down one of the little cracks to see if it goes deep?

If you just slap paint on that surface as it is, the paint will simply crack open at every place that it is cracked..

You will need to also remove the decal so you can treat the entire surface and it will look better than a old faded decal beside fresh paint.

It most likely is fixable, I doubt that the cracks go very deep and are more of an issue with the Gel coat failing. As long as it is just the gel coat failing I doubt that you are getting water past the rest of the front, that is most likely coming in from the roof line..

If the cracks go deep, then it may be far easier and faster to see if you can get a sheet of FRP large enough to glue over top. The FRP used on RVs is also called "Filon" which is a brand name for this very thin FRP.

Found 8.5' by 10' piece of Filon on Amazon for $360..

HERE

Or if you have a place that you can create a breaking point (like a front window) you can get 8.5' by 5' piece to just cover the worn out top area..

HERE



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Gdetrailer

PA

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Joined: 01/05/2007

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Posted: 12/03/20 01:59pm Link  |  Quote  |  Print  |  Notify Moderator

campingwiththoreau wrote:

Thank you for the informative post. Posting picture of the full front. As you can see- it appears to be delaminating....


[image]



Yeah, that bigger pix with the big bubbles is the infamous delam..

I think to fix that you will find yourself getting into a far bigger job than you will want to get into.

I doubt the other little cracks are causing that, most likely water intrusion actually is coming from the roof AND side trim on the drivers side.. Side trim is prone to leaks because no one ever considers removing it and replacing the all caulking..

A second look, the leaks could have come from the marker light on the driver side.. That is also another item no one thinks about for refreshing the caulking..

You can remove the side trim from bottom up to access the condition of the plywood edges under the FRP.

To fix that correctly if rotted, I suspect you might have to cut and remove the front wall if the plywood and studs under the FRP is rotted and fully build a new wall.. This repair is not for the faint of heart.

IF the plywood under the FRP is solid with no rot, then just ignore the delam bubbles and use as is. Check the wall paneling on the inside, if no signs of rot or dampness, I would suggest leaving outside as is..

This type of delam can be the glue used to laminate the FRP to the plywood has failed OR the plywood has failed (rotted). You should be able to push with your hand on the wall and see if the wall feels weak like the plywood has rotted. Do that on one of your side walls where there is no delam bubbles to get a feel for how solid a good wall feels so you can compare.

You have a 13yr old trailer, that is going to be a pretty extensive repair if done well to make it right.. Perhaps you might wish to consider selling it and going through the hassle of replacing it instead?

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