Hotrod, In this case, why I suggested the tape is so you don't fill the seam with the filler while filling the pits. If you put the tape just to the inside of the rolled edge, swipe the filler. Then do the same on the other side of the seam, you will end up with all of the pits filled, but NO body filler in the split between the two pieces of metal. Understand? And yes, I would mask off the area to be seam sealed, just to the outside of the rolled edge, run the sealer, swipe with a finger wet with solvent & unmask quickly. Hope this helps you better understand, Lorne
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