Leaky trailer seams!

[Jeff K]

You'd think I would have figured this out sooner. Since my trailer refurbish I have developed a severe water leak in the seam around the taillight buckets. Anyone have a good idea for sealing the fiberglass seams. It's in a tough spot. I was thinking maybe some  3M auto body seam sealer? They make about 10 different kinds...

[~ Timbrwolf]

. ...when we did our Maine Trip a few years back, 40 % of the roads in Vermont were either in the process of being repaired or a waste land of pot holes...or just "dirt"....we have a Piggy Back Trailer and it got the hell beat out of it on that trip.....upon inspecting it when we got home, we saw that it had some major cracks where it bolted to the frame, so we epoxyed the hell out of it and strengthened the core by bolting plywood to the bottom in the center....as far as sealing it against moisture...we used that auto sealing foam and just glued it around the edges where the lid closes....never had a problem..


....we were coming back from a week in new jersey last week and our average speed was 80 mph ...towing the trailer....banging around an inclined curve in heavy traffic and doing 85 mph I had a sudden thought..

.....if one of those trailer tires were to blow right about now....shur would make a mess..  

[Ice]

you can also try using under body sealer, that what I used on my Daughters car, when she had a leak comming in from both tail lights flooding the trunk, that stuff sticks to everything and fills the holes.

[R J]

Jeff, go to a Body Shop supplier and ask them what to use.

We used that GM (Black) sealer on my trailer, but it doesn't totally dry, it is always soft and sticky.     Since then I covered it with Gorilla Tape.   No one has pulled it since so don't know if it will work or not.

Good luck.

Son just told me, to tell you to use that foam that comes in a small aerosol can.   But to go easy on the stuff as it grows to about 5 times what you show when ya release the button.

[cookiedough]

Agree,  I don't see why that expanding foam sealant very cheap wouldn't work as long as said, you go easy on the stuff since it expands a lot.  If smaller openings/cracks, I'd suggest something else that doesn't expand as much though. 

[Jeff K]

The seam isn't that big. The boat guys say 3M 5200 sealant. Trying to find some fast cure 5200 now. I have 5200 regular cure but it takes 7 days to cure.

[R J]

The seam isn't that big. The boat guys say 3M 5200 sealant. Trying to find some fast cure 5200 now. I have 5200 regular cure but it takes 7 days to cure.

I called both of our boat suppliers and also our 3M store(s).    3M told me the fast cure will be hard to find.   Only so much is made a year and it is sold out at 3M.

[Jeff K]

The seam isn't that big. The boat guys say 3M 5200 sealant. Trying to find some fast cure 5200 now. I have 5200 regular cure but it takes 7 days to cure.

I called both of our boat suppliers and also our 3M store(s).    3M told me the fast cure will be hard to find.   Only so much is made a year and it is sold out at 3M.

Found some at home depot. IT only comes in white. Oh well, maybe I'll have time to paint it tomorrow. Most likely not.