CollisionBlast.com In this video we are going to apply primer surfacer. The repair has already been cleaned, masked and sprayed with epoxy primer. Now the filler primer or primer surfacer ia applied to fill any scratched left by the sanding. Once the primer surfacer is applied, you can block sand [Read more…] about DIY How To Spray Primer Surfacer – Automotive Paint and Refinish Training in HD