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
Basement Waterproofing in Glendale Heights, IL
Perma-Seal waterproofed our lower level, did more than was contracted for without additional cost.They were very concerned about our comfort during the process.
5
Foundation Repair in Wheaton, IL
These two employees (James A. and Bill H) are great examples “role models“ of what client services should be, I know you advertise this but it is VERY TRUE! Both of them took time to not only answer ...
5
Waterproofing in Des Plaines, IL
They were very competitive in pricing, I got more for less than the other top basement waterproofer. We needed the interior drain system, and got our cracks filled in the walls and a bubbler ...