The Chemical Company

Watson Bowman

Wabo®ThermoShield (VTS)

Wabo®ThermoShield (VTS) is a fire barrier system with over 25 years of proven use. Recommended for vertical joint openings up to 4 inches that meet the requirements of ASTM E-119, NFPA-251, UBC 7-1, UL263 and CAN4-S101-M82. VTS

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