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Unread 03-13-2010, 05:38 PM   #1
Bigbob
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Seam Sealer?

I am building a trailer. The sides are 1"X2" rect tubing. To that I welded 14 gauge steel. Of course I just tac, tac, taced it on. It is very secure and full welds are going to warp the snot out of it and are not needed. I want to prevent moisture from getting in between the 2 pieces of steel. I know on auto bodies they seal the joints with something.

What is that stuff called? I am guessing it's called seam sealer, but not sure. Do I put it on after I prime the metal or before?

Thank You.

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Unread 05-06-2010, 10:38 AM   #2
Zybeon
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You could just use a silicon sealant or epoxy that is sandable and paintable. Then of course apply before you paint.
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Unread 05-06-2010, 11:03 AM   #3
mfalik
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It's called "seam sealer"

3M 08405 Flexiclear Body Seam Sealer

There are different varieties that that I'm sure can be purchased from shops that seller body repairs items; however, I have purchased from Auto Body Toolmart.
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Unread 05-06-2010, 11:32 AM   #4
AKCowboy
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It is called seam sealer and NAPA sells it. Put it on bare metal but make sure it is where you want it because it is a PITA to get off.
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