Intumescent coatings are designed to provide up to 120 mins fire resistance to structural steel and iron in buildings

Class O paint – rovides an additional level of protection for walls or ceilings where limited combustibility is required in high-risk areas, such as escape routes as part of a comprehensive solution to protected the means of escape.

To comply with Class O materials must have a Class 1 Surface Spread of Flame and low fire propagation index, in accordance with BS 476 Part 6.