Thermo-Sorb® E

Thermo-Sorb® E is a thin film intumescent coating designed for the fire protection of steelwork for 1-3 hour fire ratings depending on the design. The recommended use for this product is fireproofing of exterior and interior steel beams, columns, tubes, and pipes.


  • UL exterior rated - can be permanently exposed to weather with the appropriate topcoat
  • UL/cUL listed – designs for many types of steel sections. Up to 3 hour fire ratings for exterior and interior applications
  • Only fully LEED compliant system
  • Decorative finish – provides a slightly textured, finish
  • Durable finish – provides a hard, dust free surface resistant to normal wear
  • Thin film, economical fireproofing solution
  • VOC compliant

Technical Data

Product Safety Data Sheets

Safety Data Sheets

Additional Resources