Quote:
Originally Posted by Purple67C10
dfwright, How well has the 3M held up over the years? Any cracking? I've read alot of people weren't happy with it due to cracking issues. Also, how difficult was it to apply to the vertical section behind the doors?
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So I'm afraid that I don't have a real life indicator for you, as my cab is still in the barn, and my truck still in pieces, so the cab hasn't seen any outside time at all, but the seam sealer is in perfect condition right now. The only problem I did experience was in getting the epoxy primer to stick to it. I likely didn't scuff it well enough the first time.
I used brush on seam sealer up the back, vertical section, and created a "dam" at the corners as the rail goes horizontal, then flowed the 3M product only in the horizontal area. It lays out beautifully flat. I can get some pictures if you like