Watertight Expansion Joints and Construction Sealants by EMSEAL

Tag: seismic expansion joint

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…

The Need for a Better Seismic Expansion Joint

The need for a better seismic expansion joint cover drove the development of the SJS System from Sika Emseal–here’s a summary video to show you the result:  Research, observation, and conversations with engineers and owners pleading for a better option than noisy, leaking cover-and-gutter systems drove the…

SJS Seismic Joint System installed in El Dorado International Airport.

Seismic Joint System (SJS) for Interior Floor Joints–Watertight, Fire-Rated

Our SJS System has an unrivaled track record in sealing stadiums around the world. It has a similar track record in addressing parking deck expansion joints. Now SJS and it’s UL2079 certified fire-rated version, SJS-FR, are increasingly being used in interiors. The El Dorado International Airport in Bogota Colombia…