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

Sump Pump in Naperville, IL
I inadvertently crossed leads on my sump pump battery causing a recharging problem for the system. While out of town, my wife called Perma-Seal to service our unit which turned out to be ...
Foundation Repair in Palos Park, IL

Jason T. was super with our foundation repair project. Thanks again.

Foundation Repair in Elmhurst, IL
We have used them a few times for foundation crack repair. They were very quick and did the job well. When we used them a few years ago, they also had a warranty if any sealed cracks should leak ...