CharCoat SC is a high-performance, water-based thin-film intumescent fire protection coating designed for use on structural steel. Engineered to offer up to 120 minutes of fire resistance (BS 476 Part 21), it expands rapidly when exposed to heat, forming a robust insulating char that safeguards steel integrity during fire exposure.
This single-component solution combines aesthetic flexibility, low VOCs, and exceptionally low dry film thicknesses (DFT), making it an ideal choice for interior and semi-exterior applications in architectural, industrial, and commercial settings.
Industries
Oil & Gas
Infrastructure & Utilities
Industrial Plants
Commercial Buildings
Residential Buildings
Power
Smelters
Mining
Steel Plants
CharCoat SC is a high-performance, water-based thin-film intumescent fire protection coating designed for use on structural steel. Engineered to offer up to 120 minutes of fire resistance (BS 476 Part 21), it expands rapidly when exposed to heat, forming a robust insulating char that safeguards steel integrity during fire exposure.
This single-component solution combines aesthetic flexibility, low VOCs, and exceptionally low dry film thicknesses (DFT), making it an ideal choice for interior and semi-exterior applications in architectural, industrial, and commercial settings.
CharCoat SC utilizes intumescent technology—upon exposure to fire, the coating undergoes a controlled chemical reaction, expanding 20 to 30 times its original thickness. This results in a durable char layer that insulates steel substrates against extreme temperatures, maintaining structural stability and preventing collapse.
Standard/Test
Result
Fire Resistance Rating
Up to 120 minutes for structural steel
Tested Durations
SC – 120 minutes (Interior/Semi-Exterior)
Fire rates steelwork up to 120 minutes
Water-based, ZERO VOC
Extremely low DFTs (as low as 187 microns)
Non-toxic, non-hazardous, environmentally safe
Smooth, architectural finish; brush or spray application
Single-component—no mixing required
Zero maintenance after application
Permanent, cost-effective fire protection solution
High solids, low spread rate for reduced material use
Airports
Stadiums & Leisure Facilities
Office Buildings
Retail Complexes
Cinemas
Residential Apartments (Low & High Rise)
Warehousing & Industrial Units
Power Stations
Mines & Smelters
Shipyards
Swimming Pools (C4 topcoat required)
Parameter
Value/Details
Fire Resistance
Up to 120 minutes
Application Method
Spray (single coat 0.600mm WFT), Brush
Coverage Rate
1800 g/m² @ 1.0mm DFT
Dry Film Thickness (DFT)
As low as 250 microns
Drying Time @ 25°C
Touch: 2 hrs, Hard: 4 hrs, Full Cure: 72 hrs
Coating Interval @ 25°C
Minimum 4–6 hrs
Color/Finish
White, Matte
Packaging Sizes
25kg Pails; other sizes available on request
Service Temperature
+5°C to +35°C (Storage & Application)
VOC Content
ZERO
Certifications
BS 476 Part 21, GB14907-2018
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CharCoat SC is engineered with sustainability in mind:
From specification to application, we offer full technical support and fire engineering guidance.
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Get in touch with our team for product information, partnerships, or technical support.
