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
Window Wells in Flossmoor, IL
Austin showed up on time to assess my request and give me an estimate. He was courteous, professional and thorough. The estimate was a solid price for the value given (lifetime guarantee) for window ...
Sump Pump in Bartlett, IL

Allen did a very good job of checking the sump pumps and battery backup. Thank you!

Crawl Space in Lombard, IL
Perma-Seal did a crawl space encapsulation on Michael's home located in Lombard, IL on Lombard Avenue. We received a 5 stars for each aspect of the work completed. Along with a perfect 5 star ...