Crawl Space Encapsulation SystemPerma-Seal's Crawlspace Encapsulation System not only transforms your crawl space into a safe, clean and bug-free environment, but it also can help to reduce your energy bills, humidity and moisture content, and it will add resale value to your home.
The benefits are tremendous!
Our unique Crawlspace Encapsulation System features:Zero Perm wall liner—a durable, puncture resistant, bright white liner A drainage system with a pump and backup system Added insulation to your floor, walls and ceiling External venting of odors and gases from underneath the liner Seal rim joists and other air leaks with open-cell foam technology A SaniDry dehumidifcation system that will keep moisture under 50% |
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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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