HEMPEL – Hempafire Pro 320 Fast Dry Intumescent Coating for Steel

Hempafire Pro 320 is a high-performance, solvent-borne intumescent coating designed to provide passive fire protection for structural steel exposed to cellulosic fires. This one-component, physically drying coating offers fast application and reliable performance for both in-shop and on-site use, making it a versatile choice for modern fire protection projects.

Optimised for R30 and R60 fire ratings, Hempafire Pro 320 can achieve up to R90 protection depending on project requirements. It has been rigorously tested, certified, and CE marked (ETA 23/0762), delivering proven compliance with EN 13381-8 and other key international standards.

Key Features and Benefits

• High efficiency and reduced paint consumption thanks to competitive loadings.

• Fast drying times with lower film thickness requirements, improving project turnaround.

• Excellent application flexibility – suitable for most common steel profiles including I-beams, H-columns, hollow sections, and cellular beams.

• Smooth, aesthetic finish ideal for exposed structural steel.

  • Durable performance – can be applied up to 1600 microns DFT per coat for superior protection with fewer coats.

• Weather resistant for up to 12 months without a topcoat (when properly applied and cured).

• Environmentally responsible – third-party certified Environmental Product Declaration (EPD), contributing to LEED and BREEAM credits.

• Complies with EU VOC regulations, ensuring a safer, more sustainable coating solution.

Recommended Use

Ideal for structural steel in interior and exterior conditions up to Type X (EAD350402-00-1106 / EN 16623) and C4 (ISO 12944-2) environments. Can also be used as a repair or touch-up coating for previously applied Hempafire Pro 320.

Technical Details

• Product Code: 43320

• Colour: White (10000)

• Finish: Flat

• Volume Solids: 75 ± 3%

• Specific Gravity: 1.3 kg/L

• Flash Point: 23°C

• VOC Content: 340 g/L

• Application Methods: Airless spray (recommended), brush or roller (for smaller areas)

• Maximum DFT per coat: 1600 microns

Compliance and Certification

• CE Marked with ETA 23/0762 (up to 90 min)

• EN 13381-8 Certified

• Environmental Product Declaration (EPD Type III)

• Complies with EU Directive 2004/42/EC – The Paints Directive

Hempafire Pro 320 combines ease of application, efficient coverage, and proven fire protection performance, making it the ideal choice for contractors and specifiers seeking reliable, compliant, and sustainable steel fire protection.

For full application instructions, contact us on 01752 690997 or [email protected]

IMPORTANT INFORMATION ON PURCHASING OF PASSIVE FIRE PROTECTION PRODUCTS NOTICE:

The information displayed about the products on this website is to be used for guidance ONLY. We advise that all customers contact our technical department to obtain a free no obligation specification and quotation before purchasing goods directly from the website.

Products purchased directly from our website without specification will NOT qualify for certification.

Please be aware that any negligence caused by failure to obtain the relevant advice, or availment of our specification and estimation service, will absolve International Passive Fire Ltd from any liability should Passive Fire Protection Products prepared, or used, by the purchaser, or any other parties, result in damage to property or human life, or for any monetary costs incurred due to incorrect usage.