Perma-Seal Basement Systems

For over 38 years, Perma-Seal has been the most trusted basement waterproofing contractor and foundation repair specialist serving Chicagoland and Northwest Indiana. We use the most advanced products and repair methods in the industry, constantly evaluating our materials in search of the best solution for your basement, crawl space or foundation problems. We offer the best warranties in the industry that are fully transferable to any new owners; many for the life of the structure. Most importantly, our competitive, no-haggle pricing assures that you're getting a fair price without the stress of playing the negotiating game.