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 218 reviews
Crawl Space in Glenview, IL
I would like you to know how very much I've appreciated your crew member Karl. He is always pleasant, helpful, neat, and knowledgeable. It is really a joy to trust him in your crawl space. Thanks so ...
Basement Waterproofing in Glenview, IL
We had a great experience using Perma-Seal. The sales guy was really professional, took plenty of time to explain why the water seepage happens, showed us a really well designed computer presentation ...
Crawl Space in Elgin, IL
Perma-Seal report card was shown as excellent for the work our crew with Don and Francisco were on. Customer showed all areas with complete satisfaction, here is an example: INSTALLATION CREW: The ...