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

Average rating for Perma-Seal is 5 stars of 5 stars - based on 208 reviews
5
Foundation Repair in Bloomingdale, IL
Tony from Perma-Seal was very thorough and explained about the problems with our foundation and what corrective actions should be taken to resolve the issue step by step. Very exceptional! (read ...
5
Basement Waterproofing in Saint Charles, IL
Perma-Seal was so nice to come to St. Charles and work on our house. I will highly recommend them for sure! (read actual letter) ...
5
Basement Waterproofing in La Grange Park, IL

The Perma-Seal consultant was very informative and patient, and the crew was quick and very clean when they worked on my basement. The finished product looks beautiful!