Flame Seal TB-CTM (Canadian Thermal Barrier)


Flame Seal TB-C™ is the first and only thermal barrier coating approved, under ULC S124-06, over spray polyurethane foam (SPF) in Canada. Flame Seal TB-C™ thermal seal meets all requirements of the Canadian National and Provincial Building Code standard, giving a new advanced option for SPF protection for the Canadian market. Flame Seal TB-C™ 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.

TB-C Documents

Application Guide

Project Record

Data Sheet


Testing Matrix

Test MethodClassification
CAN/ULC S124-06Class B – CAWOC.R38231
CAN/ULC S14510 Minutes
ASTM E84Class A

Application Instructions

Coverage Rate: 38 sq. ft. per/gal. 2 coats of 22 wet mills.

Features And Benefits


  • Qualifies as a Thermal Barrier under of the National Building Code having successfully passed the CAN/UL S124-06 standard
  • Highly regarded for its aesthetics by Architects, project managers, and property owners
  • Easy to apply thermal seal and fast to apply with an airless sprayer by one person
  • Impact resistant and low maintenance
  • Minimal disturbance to the work site and very little cleanup
  • Bright white, semi-gloss finish reflects light and brightens area
  • Low cost of ownership for the customer
  • TB-C™ is water-based, free of PBDE’s and Non-Toxic

Technical Characteristics

  • Two-part, water-based fire retardant thermal barrier.
  • TB-C™ is a quick mix system ensures accurate and fast project start
  • Dries to a semi-gloss finish and is available in 5 colors.
  • The proprietary active ingredients of this thermal seal product contribute to fire retardation by converting the energy in the fire into forming the intumescent foam that protects the coated substrate.

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