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 Woodridge, IL
Victor and Eleazar from Perma-Seal did a wonderful job. They cleaned the job sites in and out when finished. We need more people like them in the world! (read actual letter) ...
Flood Control System Installation in Chicago, IL
Perma-Seal completed a couple jobs for me. First, they installed exterior drain tiles to fix a seepage issue. Then, they solved a sewer backup problem by installing a flood control system in my ...
Basement Waterproofing in Lansing, IL
Install interior drain system underneath basement floor and all that goes with that process including wall crack repair, and installation of double pit sump pump and back up battery. Price included ...