SC804 Intumescent Steel Coating - On-Site, Water Based

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SC804 Intumescent steel coating is a very low VOC, borate free, APEO free, water-based, thin film intumescent coating for the protection of structural steelwork. SC804 contains no substances of very high concern.

Fire Rating: 90 Minutes


SC804 is optimised to provide 90 minutes fire resistance to ‘I’ section beams and columns, hollow columns, hollow beams, cellular beams, concrete filled hollow columns and solid steel tension rods. Limited 120 minutes protection is also available. SC804 can be used on steel, cast iron and galvanised steel.

Detailed application instructions are available for SC600, SC800 and SC900 series that must be consulted prior to commencing application. Please visit

Safety data sheet must be read and understood before use.

  • Ultra Low VOC.
  • Competitive loadings.
  • Compatible with a wide range of primers and topcoats.
  • Easy to apply, with excellent aesthetics.
  • Optifire®+ unique traceability identifier.
  • Certifire CF5929.
  • 3 months without topcoat once fully dried (see Environmental Resistance section)
Nullifire Application Instructions SC800 Series (en-GB).pdf Application Instructions
SC804 EN13381-6 Concrete Filled Hollow Columns (en-GB).pdf Loading Tables
SC804 EN13381-10 Solid Steel Bars Loading Tables (en-GB).pdf Loading Tables
SC804 Loading Tables (en-GB).pdf Loading Tables
SC804 Consolidated BS MTA Loading Tables (en-GB).pdf Loading Tables
SC804 Safety Data Sheet (en-GB).pdf Safety Data Sheets
SC804 Eco Footprint (en-GB).pdf Technical Guidance Document
SC804 Carbon Footprint (en-GB).pdf Technical Guidance Document
Nullifire Specification Control Guidance Note (en-GB).pdf Technical Guidance Document
SC804 Technical Data Sheet (en-GB).pdf TDS
Nullifire Intumescent Coatings Brochure (en-GB).pdf Brochure