Opti Therm

Opti Therm is a heat resistant coating capable of resisting heat up to 700ºC that provides premium protection for steel exposed to excessive heat. The coating forms an attractive smooth matt finish that withstands repeated heating. Opti Therm is self-priming, durable, hardwearing and corrosion resistant.


Product uses

Suitable for use in industrial applications such as:

  • Furnaces
  • Boilers
  • Chimneys



  • Heat resistant to 700ºC.
  • For interior and exterior use.
  • Self-priming – no primer required.
  • Durable and hard wearing.
  • Attractive smooth matt finish.
  • Prevents rust.
  • Superior colour and shade retention after repeated heating.
  • Excellent adhesion.
  • Resistant to oils and chemicals.



6 – 7 m² per litre  per coat. Applied in a 2 coat application, resulting in a dry film thickness of 50 microns.


Available Sizes

1L & 20L



Smooth Matt




While Optima Coatings makes every effort to ensure that paint colours match those shown on this website, variations will occur due to different computer screens. Please ask your Optima Coatings Technical Sales Consultant for more accurate colour swatches. To ensure consistency of sheen and colour, always check that paint containers carry the same batch number.