Videos

Foundation and Seismic Retrofit Demonstrations

California Gas Shut-off Valve Demo

Steve gives a brief explanation of how the top-of-the-line California gas shut-off valve adds important safety to gas-fed homes during an earthquake. View this video to learn how the bracing strut and gas valve are mounted and how they help protect against gas line ruptures.

SR Wall Foundation Bracing Demo

Earthquake Tech owner Steve Gemmell illustrates the SR Wall foundation bracing system, how it works and why it’s effective for securing basement.

Foundation Retrofit Using Epoxy in Bolt Holes

Steve Gemmell of Earthquake Tech in Portland, Oregon demonstrates how to install epoxy in bolted holes in a basement foundation wall when retrofitting homes.

1970s Era House Seismic-Bolt Inspection Process

Steve Gemmell of Earthquake Tech walks you through the bolt-down inspection process to evaluate if a 1970s era home was properly bolted down.

Fixing Foundation Cracks With Epoxy

Steve Gemmell of Earthquake Tech demonstrates how epoxy is injected into a foundation wall to fix cracks and reinforce a basement wall as part of a seismic retrofit bolt-down process in a home.