GulfCoat Blue and clear corrosion resistant coatings are specifically designed for the protection of HVAC coils and components. Easily used and can be applied on-site or at your premises after HVAC units have been manufactured and installed. GulfCoat HVAC coil protection is formulated to improve coil adhesion, moisture resistance, UV protection, and corrosion resistance. Extends the life of HVAC equipment. GulfCoat HVAC coil and component spray; blue and clear options for aerosol spray; high gloss finish. FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets.