Nail Head Rusting


Rust spots come through the paint. Preventable with proper surface preparation and priming.


Probable Cause


  • Improper surface preparation.
  • Use of nails not protected against rusting.
  • Failure to countersink, and apply rust inhibitive primer.
  • Painting over rusty nailheads, in a short time the rust will bleed through again.
  • Countersink the nails, spot prime and use acrylic caulk.
  • Rust spots will reappear if you repaint over the rusty spots caused by nails or other rusting metals without prescribed preventative measures.
  • Specify galvanized, aluminium or stainless steel nails.