[Tcoat]

Originally Posted by Kaotic Lazagna

Sanded down with 320 grit, then when it was near the roof line, sanded down with 800, then 1500, then 2000, and finished with toothpaste.

Edit: I should clarify that's what I did prior to spraying the gray primer, and again before the white primer.

Fill and sand. Fill and sand. Fill and sand.

Or just cover it up with something that hides it.