January 26th, 2023 – Vancouver, Canada – CharCoat Passive Fire Protection Inc., the global leader in Fire Protection, specializing in Electrical Cables, steel and insulation coatings, is very proud to announce that we are now supplying 2-hour fire rated Duct Coating.
The FM-906 Intumescent Steel Fireproof Coating is a water based intumescent Steel Coating originally used for Structural Steel but now also applied to Ductwork.
FM-906, tested under BS476: Part 24 and listed with Certifre, can fire rate Ductwork for 120 minutes at 900 microns Dry film Thickness. This is an ideal solution for a direct coating to stop corrosion on the ductwork as well as save maximum space.
Application can be completed on existing installed ductwork for building upgrades or on pre-erected ductwork. With a dry film thickness under 1mm, the savings so a complete and effective solution.

“We are very happy with our new relationship with Rainbow. This adds an amazing fire rated coating to our core products. our clients consistently require a solution for steel and now we are happy to supply not only a Fire rated Steel Coating, but fire rated Duct Coating all in one pail” Stated Sean Ritchie, Owner and Director of CharCoat.
If you would like to know more about our new coating, please feel free to contact us at anytime or e-mail us at mail@charcoat.com.