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 212 reviews
Basement Waterproofing in Lake Villa, IL
The initial quote process was fast, friendly, and painless. As for the work itself, Perma-Seal arrived on time and quickly had the fix in place. I've waited over a year to write the review just to ...
Foundation Repair in Munster, IN

Just want to say thank you to Perma-Seal for doing such a fine job on my basement.

Basement Waterproofing in Glen Ellyn, IL
The Perma-Seal crew worked through a rain storm to finish waterproofing my basement within one day. They were very professional and respected my property. Thank you very much for a job well done! ...