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 214 reviews
Basement Waterproofing in Chicago, IL
A+ for Perma-Seal! They were so likable, courteous and well-mannered when they were in my basement. They really went beyond my expectations and everything was as clean as a whistle when they left! ...
Foundation Repair in Roselle, IL

I am super excited about your work. I could not be happier with how the job went, from the first call until the work was completed. Everything was great!

Foundation Repair in Chicago, IL
During the last 3 months, I have been attempting to solve a water leakage problem at my property in Chicago. It is an expensive single family home that I have been fortunate enough to rent to very ...