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 214 reviews
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 ...
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 ...
Waterproofing in Glenview, IL
Outstanding experience from start to finish. Thorough evaluation of best approach to flood control by consultant (Mike) and Kurt (plumber). Tanya did a superb job in wrestling a permit from Cook ...