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
Sewer Line Camera Inspection in Glencoe, IL
A shoutout for Kenneth Allen Laundie, who came out on a very cold day and performed the inspection with professionalism and courtesy.
Foundation Repair in Glenview, IL

The work was great and I am extremely satisfied with what Perma-Seal did for me. Your consultant Dan Arcus was top notch and professional.

Foundation Repair in Bridgeview, IL
When we found two cracks in our basement wall while clearing the area for the installation of a new furnace, we thought of Perma-Seal first. They repaired cracks in our basement walls a few years ...