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 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

Drainage System Installation in Downers Grove, IL
We had Perma-Seal install a drainage system that keeps the water out of the basement during the heavy rain. As the other reviews mention it did take a while to get an appointment but that I guess is ...
Robert H. - Downers Grove, IL 60515
Waterproofing in Naperville, IL

Great sales and waterproofing service. I am satisfied with the work done.

Greg M. - Naperville, IL 60565
Drainage System Installation in Evanston, IL
We have heard Perma-Seal advertisements for years particularly impressed with the transferable warrantee. The salesperson oversold the service because I didn't need any convincing. We were very happy ...
A. B. - Evanston, IL 60201