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
Waterproofing in Tinley Park, IL

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

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 ...
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 ...