Watertight Expansion Joints and Construction Sealants by EMSEAL

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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…