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 37 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

Average rating for Perma-Seal is 5 stars of 5 stars - based on 218 reviews
Basement Waterproofing in Chicago, IL
I had water coming in through two spots in the basement. I was shown all options and pricing but he recommended the cheapest option for one of the leaks (the other was due to the access door) saying ...
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 ...
Basement Windows Replacement in Bartlett, IL
We needed our single pane basement windows replaced. I scheduled several companies for bids, Perma-Seal had the lowest bid by a few thousand dollars, but the quality of the windows is just as good if ...