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Omega Fire™ Specs and Uses Print E-mail


Tested for use directly on structural steel to give a two or three hour fire rating, depending on thickness applied. Extra thickness gives extra hourly protection.


Although Omega Fire™ can be applied by non-professionals, SPI recommends using a SPI certified applicator.


  • Surface must be clean and completely dry, with no loose debris or particles, rust, dirt, oil, films or residues of any kind. Omega Fire™ will cover previous coatings if they are fully adhered to the surface and show no surface gloss
  • Mechanically stir, as ceramics will tend to settle

Application methods

  • Graco Extreme King (3,500 psi or more) with a carbon steel or titanium tip: tip size .029-.045; build to desired thickness
  • Graco TexSpray RTX 1500 using the 2 mm nozzle that comes with the machine. Surface texture is rougher than with the Extreme King.

Applied rate

  • 1 hour fire rating - 3 sq. ft./gal. (0.25 sq.m./gal.)
  • 3 hour fire rating - 2.2 sq. ft./gal. (0.20 sq.m./gal.)

Film thickness

  • 1 hour fire rating - Wet: 570 mils (14.5 mm) Dry: 400 mils (10 mm)
  • 2 hour fire rating - Wet: 710 mils (18 mm) Dry: 500 mils (12.5 mm)

Dry times

  • 4 hour to touch
  • 12 hours to overcoat at 70 degrees F

Full cure

  • 21 days


  • Not suitable for underwater use of any kind
  • Do not use as floor coating
  • Do not use directly on food preparation surfaces
  • Not to be used as a sole insulating material
  • Omega Fire™ is grey in color and rough in texture