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 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

5
Crawl Space in Northbrook, IL
I am delighted with the work and the results. I was sorry my house foundation needed the work, but the workers and the work they did is outstanding!
5
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 ...
5
Interior Drain System Installation in Des Plaines, IL
They were very competitive in pricing, I got more for less than the other top basement waterproofer. We needed the interior drain system, and got our cracks filled in the walls and a bubbler ...