GulfCoat™ HVAC/R Coil Coating

GulfCoat™ Blue and Clear corrosion resistant coatings are specifically designed for the protection of HVAC coils and components. GulfCoat™ Contractor Series coatings are formulated to improve adhesion, moisture resistance, UV protection and corrosion resistance.

The product can be applied on-site or at your premises after HVAC units have been manufactured and installed. GulfCoat™ Contractor Series coatings provide a HVAC coil coating system for added corrosion protection on aluminum and copper finned RTPF and MCHX coils. GulfCoat™ coatings help to reduce the accelerated corrosion of HVAC coils. By following the coating and maintenance instructions, end users should expect extended life cycles while avoiding energy loss due to corrosion.

GulfCoat is available in 12-ounce (340-gram) aerosol cans. The water-based synthetic polymer blue or clear coating significantly extends new HVAC/R coil lifecycles in corrosive environments with negligible thermal heat transfer loss.

GulfCoat offers contractors a field or shop-applied coating protectant equivalent to the renowned Insitu®, Modine Coatings’ industry-leading, factory-applied spray coating process that’s preferred by specifying engineers and commercial OEM manufacturers for HVAC/R equipment installed in corrosive environments.

Dubbed as “shark tough,” GulfCoat was designed to protect new and existing HVAC/R equipment from corrosive coastal air and passed ASTM B117 test standards for salt spray. It also passed multiple marine and industrial ASTM test standards for resisting ultraviolet (UV) rays, acid rain, high concentrations of urban vehicle emission air pollutants and other outdoor contaminants that prematurely corrode unprotected coils and components.

Unlike some protective coatings, GulfCoat’s thin 0.4 to 1.4-mil coating boasts a minimal thermal degradation of less than one-percent and actually helps maintain optimal thermal heat transfer over the coil’s lifecycle, because its smooth gloss finish deters debris, dirt, mold and moisture accumulation. Likewise, GulfCoat’s finish also helps maintain system static pressure and airflow efficiency.

One can of GulfCoat coats a residential unitary split system, mini-split or light commercial HVAC/R unit of up to 2.5-tons or a maximum eight-square-feet (0.7-meters2) of coil space. Multiple can applications can also be contractor-sprayed uniformly throughout coils two-rows-deep and less on any packaged rooftops, large condensers, modular air handlers, air-cooled chillers and other equipment. Components, as well as exposed line sets and other copper piping are also ideal coating candidates.

An application instructional video is available at www.rectorseal.com/gulfcoat.  Application steps include 1) disassemble unit cabinet; 2) masking components that don’t get coated; 3) removing manufacturing process chemicals/oils residue with RectorSeal’s Clean-N-Safe aerosol coil cleaner, then rinsing; 4) applying GulfCoat; and 5) reassemble unit cabinet. RectorSeal’s technical support department is also available for instruction.

Other GulfCoat features include:

  • Passed multiple ASTM test standards for salt spray, water immersion, pencil hardness, cross hatch adhesion, humidity, UV resistance and flexibility, mold resistance, sand and dust resistance;
  • Available at traditional HVAC/R wholesalers in single cans or six-can cases;
  • Once applied, semi-annual or annual cleanings are recommended;
  • Doesn’t affect OEM warranties;
  • The clear coat is invisible, while the blue coat helps installers inspect coil coverage uniformity.

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