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
Waterproofing in Tinley Park, IL

On time, professional waterproofing job. It was done quickly with no mess, awesome job.

5
Basement Waterproofing And Sewer Line Repair in Chicago, IL
We used Perma-Seal Basement Systems. They did a drain pipe in the basement, and they put in a sump pump. They also had to do something to my sewer line, which was a big job, so they had to call a ...
5
Waterproofing in Chicago, IL
Permaseal completed a couple jobs for me.  First, they installed exterior drain tiles to fix a seepage issue.  Then, they solved a sewer backup problem by installing a flood control system in my ...