Tag: fire barrier
Update November 6, 2025: On October 7, 2025 US Patent 12,435,506 B2 issued. This patent broadens coverage on Sika Emseal’s expansion joint sealing systems to include safer, dustless methods for installation, replacement, and retrofit across a wide range of structural substrates and joint types, including fire-, water-, and…
Fire barrier expansion joints are essential to life safety in any structure. Part of the Emshield family of products, EMSEAL’s WFR2 and DFR2 2-hour fire-rated expansion joint seals were installed throughout the newly constructed Berlin Federal Prison in Berlin, NH. As is common with prison construction, large panel concrete walls…



