The Chemical Company

Watson Bowman

Wabo®ThermoShield (HTS)

Wabo®ThermoShield (HTS) is a fire barrier system with over 25 years of proven use. Recommended for horizontal joint openings up to 3 inches that meet the requirements of ASTM E-119, NFPA-251, UBC 7-1, UL263 and CAN4-S101-M82. HTS

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Product Highlights


  • Fire ratings to 3 hrs. for nominal openings up to 4 inches
  • Meets the requirements of ASTM, E-119, UL-263, CAN/ULC-S101, NFPA-251
  • No caulks or sealants required against adjacent construction
  • No metal profiles utilized

Fire Barrier Systems