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
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
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 ...
5
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) ...