Video Demos
Foundation and Seismic Retrofit Demonstrations
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.






