Structural steel fireproofing keeps beams and columns strong for longer in a fire. This guide compares the two main options. See our fire proofing page for the full range.
Why steel needs protection
Steel loses roughly half of its strength at around 550 to 600 degrees Celsius, and building fires can exceed this. Fireproofing slows the temperature rise so the structure keeps its strength for the rated period.
Option 1: intumescent paint
A thin coating that swells into an insulating char when heated. It does not change the mechanical properties of the steel and can protect a steel frame for up to 120 minutes. Read about intumescent coating.
Option 2: cementitious fire proofing
A spray-applied, cement-based layer used on joists, beams and columns where a thicker layer is acceptable. It is not suitable for high-moisture areas. Read about cementitious fire proofing.
Evora Technical Services in the UAE
Evora Technical Services (Evora UAE) is approved by Dubai Civil Defence and Abu Dhabi Civil Defence and works across Dubai, Abu Dhabi and the UAE. Our office is in Al Garhoud, Dubai, open Sunday to Friday 8:00am to 7:00pm and Saturday 8:00am to 2:00pm. Call or WhatsApp +971 52 6700 119 or use our contact page. You can also read our guide to fire proofing contractors in the UAE.
FAQ
Which is better for steel?
It depends on the substrate, the required fire rating and the space. We recommend the system per element after reviewing drawings or the site.
What decides the system for structural steel
Intumescent paint gives a thin, neat finish for visible steel. Cementitious fire proofing is a thicker sprayed layer, often used where steel is hidden. Which one fits depends on the project.
- The fire rating required, commonly expressed in minutes of resistance
- The steel section size and the loading
- Indoor or outdoor exposure
- The finish and colour required
More questions
Which is better for steel?
Neither is better everywhere. It depends on the rating, the section and the finish. We recommend a system after reviewing your project.
Related: fire proofing for steel structures, intumescent coating, cementitious fire proofing.
Evora is approved by Dubai Civil Defence and Abu Dhabi Civil Defence and works across the UAE. Call or WhatsApp +971 52 6700 119 or request a quote.