Steel Structure Fire Protection Design: How to Match Fire Resistance Rating & Fire Coating Solutions
Steel is non-combustible, yet its strength drops sharply under high temperatures. Fire protection design is critical for compliance and safety of industrial buildings, public venues and energy storage projects. Fire resistance requirements vary widely under EN, AISC, AS and GB standards.
Three common fireproofing options are cementitious thick coatings, thin/intumescent coatings and fire-resistant boards. Thick cementitious coatings suit heavy columns, power plants and chemical facilities with up to 3-hour fire rating. Intumescent coatings deliver cleaner finishes for workshop and office beams. Fire cladding boards are preferred for low-maintenance high-spec projects.
Selection depends on fire rating requirement, indoor/outdoor exposure, corrosive atmosphere and local inspection rules. Improper fire protection will cause approval delays and hidden safety risks.
Hongsheng Steel Structure designs fire protection details at early stage, applies fire coatings during fabrication and provides full test certificates to meet global compliance requirements.
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