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 213 reviews
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 ...
Foundation Repair in Burbank, IL
I had the option of using another contractor, but I chose to have Perma-Seal perform the interior crack repairs because I trust their years of experience and excellent reputation as a foundation ...
Basement Waterproofing in Saint Charles, IL
The Perma-Seal crew did a good job waterproofing my basement. You waterproofed my basement one week before our record rainfall and I had not one drop through those fixed cracks! (read actual letter) ...