Thermo-Sorb® 263

A thin film intumescent coating designed for the fire protection of steelwork for up to a 4 hour fire rating depending on the design. The recommended use for this product is fireproofing of interior steel beams, columns, tubes and pipes.


  • UL/ULc listed for both interior general purpose and interior conditioned space applications.
  • Smooth, decorative finish.
  • Durable, hard dust free surface resistant to normal wear
  • Thin film, economical fireproofing solution
  • VOC compliant
  • LEED compliant

Technical Data

Product Data Sheets

Safety Data Sheets

Additional Resources