Proven waterproofing systems since 1979

Your Basement Solution in Chicago

Perma-Seal has been the most trusted basement waterproofing contractor and foundation repair specialist serving Chicago and Northwest Indiana for over 36 years. Our informative video featuring Perma-Seal Founder, Roy Spencer and National Home Improvement Expert, Lou Manfredini will help you understand how and why Perma-Seal is dedicated to providing you with a superior customer experience and the greatest value for your home.

Our Vision is:

To Make the World a Better Place

Our Mission is:

To build a sustainable organization that is dedicated to...

  • Providing a superior customer experience and the greatest value.
  • Doing the right thing for our Clients, Tribe, Partners and Community.
  • Continual improvement through innovation and self-evaluation.

Featured Reviews

Foundation Repair in Chicago, IL
When the representative arrived at my home, he was very friendly and quite professional. He quickly diagnosed the problem as being a crack in the foundation near the basement window. He assured us ...
Stanley B. - Chicago, IL 60613
Wall Crack Repair in Mokena, IL

This is the second time I've used Perma-Seal. The wall crack repair work was absolutely great. I haven't had a leak in 10 years on the first time we used your service. Thank you.

Joseph H. - Mokena, IL 60448
Waterproofing in Chicago, IL
After years of water in our basement, we finally decided to do something about it. We called Perma Seal to come and take a look and found we had cove seepage. Joe Sindelar was the associate we met ...
Dorothy S. - Chicago, IL 60606