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Open Roads Forum  >  Tech Issues

 > Filling small holes in Filon/Fiberglass exterior walls

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Baja Man

Inland Empire, CA

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Posted: 11/14/20 08:14pm Link  |  Quote  |  Print  |  Notify Moderator

I have a few 1/8" screw holes in right and left exterior walls (where previous baggage compartment door holders were screwed down). Couple of holes in wall and a couple in doors (each side).

What is the best / preferred way to fill in these holes? It's a 12 year old trailer so not too concerned about getting an exact color match.

NOTE: Filon in both wall and doors is thin and there is no backing.

Thanks!


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BobsYourUncle

Calgary Alberta Canada

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Posted: 11/14/20 09:37pm Link  |  Quote  |  Print  |  Notify Moderator

The doorknob who had our TT before us hung a decoration on a wall with drywall screws that were longer than the wall was thick....
Screws were sticking out the wall on the outside.

When I pulled them out I just used some polymer based caulking a similar color and filled the holes, then smoothed it off on the outside and cleaned up any excess.

The thing to do is put the caulking tube nozzle right tight to the wall surface, then pump pressure on the gun for a second, then release the pressure before pulling the caulking gun away. This will force caulking right into the hole a ways so it isn't just on the surface.


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Currently under construction, big project! Will change this when done.

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Marcela

Kansas

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Posted: 11/15/20 10:39am Link  |  Quote  |  Print  |  Notify Moderator

Clear silicone sealant is your friend. And it will match perfectly the surrounding color.

TUCQUALA

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Posted: 11/15/20 11:22am Link  |  Quote  |  Print  |  Notify Moderator

Seal holes, install stick on levels for front to back leveling. That's if the storage doors are at front of trailer!! 99% are!!


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BarneyS

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Posted: 11/15/20 06:35pm Link  |  Quote  |  Print  |  Notify Moderator

Moved to Tech Issues forum from DIY.

pauldub

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Posted: 11/16/20 12:38pm Link  |  Quote  |  Print  |  Notify Moderator

Marcela wrote:

Clear silicone sealant is your friend. And it will match perfectly the surrounding color.


Never use silicone. When in needs maintenance in the future, nothing will stick.

BobsYourUncle

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Posted: 11/16/20 01:22pm Link  |  Quote  |  Print  |  Notify Moderator

pauldub wrote:

Marcela wrote:

Clear silicone sealant is your friend. And it will match perfectly the surrounding color.


Never use silicone. When in needs maintenance in the future, nothing will stick.

Agreed! And the silicone won't stick either. It will cause a leak around itself.
A good polymer based sealant is the best choice. It will even adhere to wet surfaces. I use Weathermaster Titebond in my solarium business. Best I have ever found for the application.
There are others, widely used here by members, but no to silicone.

Gjac

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Posted: 11/16/20 09:18pm Link  |  Quote  |  Print  |  Notify Moderator

If it is white Filon I would use Marine-tex or any white epoxy sold at any marine supply store. Sounds like you are filling a few holes maybe 1/8 in in dia so you can even by a 3 oz tube of 3M 5200 to fill the holes. Just smooth it of with a putty knife after you fill the holes.

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