Intumescent Steel Protection

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Intumescent Steel Protection

Steel Protection

As an approved onsite applicator for all of the UK’s leading intumescent coatings we can offer intumescent solutions for the fire protection of structural steel.

Through client specification we can offer and achieve 30, 60 or 120 minutes fire protection. All intumescent coatings are specifically applied to the appropriate dry film thickness to achieve the required passive fire protection and are tested onsite in accordance with our third party certification.


Intumescent Paint

Intumescent Paint is applied directly to the contour of primed I and H section columns, angles, channels, beams and hollow sections to provide fire protection for up to 120 minutes. 


How does intumescent paint work?


In a fire, a chemical reaction takes place causing the paint to expand and form an insulating layer which slows the temperature of the steel rising to a critical level.

Steel starts to lose its load bearing capacity at a temperature of around 550°C during a fire. Intumescent paint is designed to protect the buildings main structure in the event of fire.


Solution


When specifying intumescent paint, it is important to consider if the protected steel surface is going to be seen, or whether it is going to be covered up upon project completion.

For any intumescent coating to work correctly a charring distance must be left around all coated surfaces. We recommend a minimum of 50mm clearance to allow the product to undergo the required chemical reaction under fire conditions, which provides the insulating layer for the steel.

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