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Bay Area Underpinning is now Groundworks!  Learn more.

How long does the PolyRenewal™ process take, and how soon can I use my sidewalk after the repair?

The PolyRenewal™ process is quick and efficient. The foam expands rapidly, filling voids and hardening in just 15 minutes. After the repair is complete, you can use your sidewalk immediately. This means minimal disruption to your daily life.

Our Locations

Fairfield

2333 Courage Dr. Suite C
Fairfield, CA 94533

San Jose

1161 N Fair Oaks Ave
Sunnyvale, CA 94089