South Chicago Insulation is a professional spray foam insulation contractor serving Lenox, IL, providing comprehensive residential and commercial insulation solutions. We specialize in open-cell and closed-cell spray foam to seal air leaks, control moisture, and significantly improve energy efficiency and indoor comfort. In addition to spray foam, we offer retrofit insulation, attic and crawl space solutions, roof coatings, and other high-performance services tailored to each property’s needs. Our experienced team delivers precise installation, durable materials, and reliable results that help lower utility costs and enhance year-round comfort.