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 Installation in East Dubuque, IL

Very courteous and knowledgeable staff. Very helpful when my old sump pump gave up the ghost during a heavy rain.

Basement Waterproofing in Chicago, 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 ...
Basement Waterproofing in Aurora, IL

The crew was great, patient and answered all of my questions. Best money I have ever spent on my home!