Intumescent Coating

Structural steel is used in a large variety of buildings including industrial facilities, buildings, lightweight roofs, spatial roofs, parking lots, etc. The structural steel must be protected as steel is sensitive to heat and it can gradually lose strength starting from 550^◦C and given the load it carries.

Fire protection for structural steel is possible up to 4 hours (240 minutes) and is designed to maintain the strength of the steel and allow escape from the building in the event of a fire before the steel reaches a failure temperature and the structure collapses.

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Intumescent fire retardant coating allows to maintain a decorative look of the construction
The Intumescent coating is activated during exposure to heat at a temperature starting at 200 degrees Celsius while creating a reaction between the various materials of which it is consisted.
The thickness of the coating after exposing to heat is 50-60 times the thickness of the original coating for a fire protection of 120-150 minutes.
Easy to implement
Can be applied on site after assembling the construction or in the factory while parts are still in place
Durable over time
Covers complex shapes easily

The thickness of the coating varies between 0.5-5 mm depending on the steel construction and the requirements of the designer
A layer of paint can be applied on the intumescent coating without damaging the designation of the coating during a fire

BS476 Part 20 & Part 21

Intumescent Coating

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