Can You Paint over Primer Surfacer?

You really should put down a couple coats of a regular primer surfacer, then sand it. Followed by sealer (if you are going to seal) then paint.

Does primer surfacer need to be sealed?

Since urethane is only a primer surfacer, you'll also need to apply a sealer before you paint. ... Because it has the texture to fill pits and imperfections in the sheet metal, an unsanded primer coat would be too rough to paint over without further preparation, which includes a sealing primer.

How do you use primer surfacer?

Mix and apply the Primer Surfacer according to the Product Data Sheet. Apply Primer Surfacer using the reverse prime technique. Apply Primer Surfacer slightly beyond the edges of the repair area. Allow each coat of Primer Surfacer to flash completely before applying the next coat.