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

Waterproofing in Chicago, IL

I prefer to talk to these waterproofing guys rather than anyone else, super knowldegable.

Foundation Repair in Crystal Lake, IL

Blas and Oscar did a great job. They make Perma-Seal look very good!
(read actual letter)

Basement Waterproofing in Chicago, IL
After years of water in our basement, we finally decided to do something about it. We called Perma-Seal to come and take a look and found we had cove seepage. Joe Sindelar was the associate we met ...