Thermo-Sorb® VOC

Thermo-Sorb® VOC III is a decorative thin film intumescent coating designed for the fire protection of steelwork for up to a 3 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 – designs for many types of steel sections. Up to 3 hour fire ratings for both interior general purpose and interior conditioned space applications.
  • Decorative finish – provides a slightly textured, decorative finish.
  • Durable finish – provides a hard dust free surface resistant to normal wear.
  • VOC compliant - meets the standards set forth by the South Coast Air Quality Management District Rule #1113 for fireproofing coatings of <150 g/l.
  • LEED compliant

Technical Data

Product Data Sheets

Safety Data Sheets

Additional Resources

Product Application Guide


Fire Test Designs