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 Encapsulation System in Naperville, IL
Excellent job by the Perma-Seal team! Chris Hayden did a great job of inspecting my crawl space, reviewing my options and recommending the right solution. In addition, he stopped by on the morning ...
Sump Pump Installation in Wheaton, IL
I contacted Perma-Seal to evaluate my existing sump pump. Robert came out and was professional, punctual and educating. I had several questions for Robert throughout the evaluation and he took the ...
Basement Waterproofing in Chicago, IL
I contacted Perma-Seal in an effort to determine the source of water in my basement, glass block installation, and replacement of my sump pumps. Dan McGowan came out, on time, and went over the ...