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 209 reviews
5
Basement Waterproofing in Aurora, IL

The crew was great, patient and answered all of my questions. Best money I have ever spent on my home!

5
Basement Waterproofing in Chicago, IL

Allen was very professional and informative with the basement waterproofing project.

5
Basement Waterproofing in Westchester, IL

I was very satisfied with Perma-Seal when they came to my home to seal around the gas line coming into my basement. I will definitely refer you to my neighbors if they have similar problems.