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

Flood Control System Installation in Glenview, IL

Everything was great!! Very Professional. Price was MUCH less than I expected it to be. Would very highly recommend.

Basement Waterproofing in Chicago, IL
When I found some basement leakage near the area where I had a foundation leak sealed by Perma-Seal,last year, I called them to give me some advice. The Perma-Seal,representative determined that the ...
Basement Waterproofing in Tinley Park, IL

My basement is as dry as can be after they waterproofed it. I am completely thrilled with the results I had. There's not one negative thing about this whole experience.