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 36 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 Villa Park, IL
Victor did a great job explaining the waterproofing options to us and explaining what he was going to do. We did not talk to Francisco but he was friendly and smiled. They did a good job cleaning up ...
Angela A. - Villa Park, IL 60181
Drain Tile in Deerfield, IL
They installed drain tiles on the inside of my basement.
Joanna L. - Deerfield, IL 60015
Sump Pump Installation in Wheaton, IL
I contacted Perma-Seal to evaluate my existing sump pump. Robert came out and was professional, punctual and educating. I had several questions for Robert throughout the evaluation and he took the ...
Brian K. - Wheaton, IL 60187