Your Basement Solution in Chicago

Perma-Seal has been the most trusted basement waterproofing contractor and foundation repair specialist serving Chicago, the suburbs and Northwest Indiana for 35 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.

We’re the experts when it comes to wet basements, water seepage, leaking wall cracks, structural foundation problems, damp, moldy crawl spaces and municipal sewer backup. We are pleased to now offer plumbing services to serve the needs of our valued clients.

Browse through our site to find information as to why basements leak, causes of foundation settlement, why sewers back up, and much more. Perma-Seal can provide you with permanent solutions for all of these issues and we stand behind our work with integrity. Call or click today to schedule your free professional evaluation by one of our certified consultants.


Basement Waterproofing

basement waterproofing Basement Waterproofing Services for Northwest Indiana & Chicagoland.

Crawl Space Solutions

Perma-Seal Crawl Space SolutionsCrawl Space Encapsulation Systems rid dampness, insulate, improve air quality, create a gas/insect barrier.

Foundation Repair

structural foundation repairCracked Walls, bowed walls, and gaps under the baseboard; We can solve your problem.

Sewer Services

perma-seal plumbing servicesSewer Line Repair & Sewer Line Replacement, Sewer Backup Prevention, Sewer Camera Inspection & Rodding

Plumbing Services

perma-seal plumbing and sewer servicesWater Heater Replacement to Sewer Line Repair, Perma-Seal offers many services to help you out.

Basement Windows

Basement WindowsNew Window Wells, Sliding Windows, Hopper Windows,
Escape Windows, Glass Block Windows

Yard & Drainage Solutions

Yard Drainage SolutionsWater accumulation, standing water after rain; we have the perfect solution to the issue.

Basement Pre-Finishing

ThermalDry UnderlaymentFlooring, Mold / Mildew-Resistant Carpet, Insulation Systems, Basement Windows, Escape Windows, Air Quality Solutions