Watertight Expansion Joints and Construction Sealants by EMSEAL

Tag: fire barrier

Expansion Joint Patents: US Patent And Trademark Badge

US Patent Office Continues to Recognize EMSEAL Expansion Joint Innovation

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-Rated Expansion Joints Installed at New Hampshire Federal Prison

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…