When I put seam sealer on my truck, I made sure there were minimal boogers on it. It looks like you could have smoothed it out a bit more before it set up. Put on a pair of nitrile gloves and run your finger along it to smooth it out. I can't say that I've attempted to sand it.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.