PORTWEST FR36 Bizflame Pro Trousers

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PORTWEST FR36 – Bizflame Pro Trousers

The Portwest FR36 Bizflame Pro Trousers provide certified flame-resistant, anti-static, and welding protection in a comfortable and durable design. Constructed from Bizflame Pro fabric (99% cotton, 1% carbon fibre – 330g), they combine strength with inherent protection, ensuring long-lasting safety and performance in demanding work environments.

Meeting multiple international standards—including EN ISO 11612 (Heat & Flame), EN ISO 11611 (Welding), and EN 1149 (Anti-Static)—the FR36 is a dependable choice for welders, fabricators, utilities, petrochemical, and heavy industry workers. Designed with triple-stitched seams, multiple storage pockets, and knee pad pockets, these trousers deliver both safety and practicality for everyday professional use.


✅ Key Features & Benefits

  • Bizflame Pro fabric (330g) – FR cotton with carbon fibre for lasting protection

  • EN ISO 11612 certified – heat & flame resistance

  • EN ISO 11611 certified – welding & allied process protection

  • EN 1149 certified – anti-static compliance

  • Knee pad pockets – compatible with standard knee pads for extra safety

  • Multiple storage pockets – secure tool & accessory storage

  • Triple-stitched seams – enhanced durability in high-stress areas

  • Professional design – built for welders, utilities & industrial workers


⚠️ Important Information

  • Certified to EN ISO 11612, EN ISO 11611, EN 1149

  • Machine washable (check garment care instructions)

  • Ideal for welding, fabrication, utilities, petrochemical & heavy industry

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