Surface must be clean, dry, sound, and free of dirt, dust, grease, oils, residues, waxes, water, foreign particles, and any other contaminants that may interfere with coating adhesion and intimate contact with the substrate. For maximum protection, prepare the substrate by abrasive blasting to a profile of 2.0-4.0 mils per NACE SSPC-SP10. Metal surface must be 5 degrees above the dew point temperature. RiteZinc RZ 2k Series can be applied with airless spray @ 2500-3500 psi and 0.017-0.025 tips, HVLP, or Conventional. Brush and Roll can also be used for application.