Nan K.
9/3/2025
i am had a great experience with Permaseal from start to finish. Their focus on customer satisfaction really stood out. Stephen, the sales manager, was excellent to work with--flexible, attentive,...
Perma-Seal Basement Systems
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412 Rockwell Ct
Willowbrook, IL 60527
With over 45 years of trusted service, Perma-Seal is the leader in basement waterproofing, foundation repair, concrete leveling, attic insulation, and sewer solutions across Chicago and Northwest Indiana. Our offerings include sump pump installations, drainage systems, wall crack repair, crawl space encapsulation, and energy-efficient insulation. We provide free consultations, competitive pricing, and exceptional care to keep your home dry, safe, and comfortable all year round. Trust Perma-Seal to protect your home’s value and ensure long-term peace of mind.
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Reviews
3.5600 reviewsRod S.
11/11/2025
Terrible concrete leveling and crete repair job. I mean, it's a safety hazard for tripping. 7 months ago, 4/11/2025, Permaseal tried to repair the crack and level my patio, and it looks worse. I...
Fredrick B.
7/6/2025
I sincerely appreciate the response and Juan coming out but again no follow through. I have not heard a word as to whether the drain trench grate can be provided. I sincerely appreciate the...
Suzanne W.
12/1/2025
We contracted Perma-Seal to install a primary and battery back up sump pump. They did an excellent job. Gilberto and his helper arrived on time, got right to work, and cleaned up when they were...
Kevin K.
11/26/2025
Tomas and crew do a great job, no complaints with their work and results. There was other work going on at the same time and permaseal management could have done a better job trying to work in...
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