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
5
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 ...
5
Sump Pump in Bartlett, IL

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

5
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 ...