FlameSeal TBTM (Thermal Barrier Coating)


Flame Seal TB™ is an intumescent coating which provides an alternative 15-minute thermal barrier for Spray Polyurethane Foam (SPF). Flame Seal TB™ is fully compliant with all ICC-ES standards. It comes in 5 colors; white, three shades of gray, and black; giving options to design professionals. White is the standard color, while the others typically require a two-week lead time. Flame Seal TB™ requires no primer to adhere to SPF; representing lower cost and less application time. Flame Seal TB™ is designed for ease of application with any commercial grade airless spray units for the duration of its shelf life. There is no need for high-powered gas equipment or water addition due to high viscosity. This assures the fire performance is not compromised by dilution, which invalidates certifications.

How To Buy

For 20 gallons or less please click the “Buy Now!” Button to visit our Online Store. For more than 20 gallons, please call us at 713.668.4291 or email us at [email protected]

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TB Documents

Data Sheet


Testing Matrix

Flame Seal Products is AC456 Compliant, for more information please email [email protected] 

Brands                               Foam Type                      Wet Mills

Accella BAYSEAL Closed Cell 18
Accella ECOBAY Closed Cell 18
Accella Premium Foamsulate 210 Closed Cell 24
Accella Quadfoam 2.0 Closed Cell 20
BASF Comfort Closed Cell 25
BASF Enertite Open Cell 30
BASF Spraytite Closed Cell 25
BASF Walltite Closed Cell 25
CertainTeed CertaSpray Open Cell 25
CertainTeed CertaSpray Closed Cell 25
Dow Styrofoam Closed Cell 25
Gaco 183m Closed Cell 20
Icynene ProSeal Closed Cell 20


*Please contact FSP to receive copies of test reports.


Application Instructions

To receive a copy of Flame Seal’s Thermal Barrier Application Instruction Manuel please fill out the training form and a Flame Seal representative will assist you.



  • Two-Part Coating
  • Safe Handling
  • Multiple Applications
  • Proprietary Ingredients


  • Non-Toxic
  • Multi-Colored
  • Non-staining
  • Inert
  • Non-conductive
  • Neutral Charge
  • No PDBE’s
  • Decrease Fire and Smoke Evolution


  • Substrate Converts to Carbon Char
  • No Flame Propagation
  • Simple Application
  • Non-toxic
  • No Halogen Donor Required

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