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we have provided Chicagoland and Northwest Indiana residents with permanent solutions for leaky basements, wet, moldy crawl spaces and structural foundation problems.
Perma-Seal has served Chicagoland and Northwest Indiana for over 30 years.
Perma-Seal has helped over 250,000 homeowners just like you.
Perma-Seal is recommended by Lou Manfredini, National Home Improvement Expert. 
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Perma-Seal has earned an A+ rating with the Chicago Better Business Bureau.
Perma-Seal has earned an Angie’s List Super Service Award for the last 9 years.
Perma-Seal has been a winner of the BBB Torch Award for Marketplace Ethics.
Perma-Seal’s Roy Spencer received the Ernst & Young Entrepreneur of the Year Award in 2003.
Perma-Seal was named a 2011 Chicago Tribune Top Workplace in Illinois.
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