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
Foundation Repair in Palos Heights, IL
I have nothing but praise for Perma-Seal. They were all so nice, helpful and patient when answering questions about my foundation. The crew introduced themselves when they arrived and left the work ...
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 ...
Service Call On Crack Repair in Elmhurst, IL
Jamie from Perma-Seal performed a service call on a visible crack in the wall for Eric S. Eric was ecstatic about the work done and gave the crew the best overall ratings possible.