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About The Nelson Companies

Welcome to Nelson Insulation Company. We want to be your source for mechanical insulation services. As one of the largest commercial contractors in the Chicagoland area, we serve every major industry by providing viable, eco-friendly, code compliant solutions that save energy, money, and time. Every job is installed by the highly skilled professionals of Local 17 Heat and Frost Insulators. At Nelson Insulation, we take our responsibility to you, the industry, and the environment seriously in everything we do. Whether it’s a half day job or complex multi-million dollar engagement, your project will be managed to the highest standards by an experienced team of experts. Our growing client list is a living testimonial to the quality of work that we perform. For excellence in extreme time-frames, no one but Nelson delivers the unmatched capabilities and work force depth needed to ensure your success. FIRE-STOPPING Nelson Firestopping is now Nelson Thermal Insulation and Firestopping. We’ve grown. In addition to the expert firestopping and fire-safing installations you’re familiar with, we now offer thermal and acoustical building insulation resources from one trusted source – Nelson. Along with Through Penetration, Building Joint Firestopping, and Slab Edge Fire-safing, we offer expanded insulation capabilities including Curtain Wall Insulation, Spray Foam Insulation, Building Envelope, and Acoustical Insulation. As always, you’ll get top quality materials, responsive service, and competitive prices. Thermal insulation has always played a key role in energy savings and building comfort. With energy costs always on the rise, installation of thermal insulation helps deliver more ways to save money and prevent weather damage to all types of construction. Our team of experts will work with you to design solutions that help protect your structure from the unnecessary loss of energy, property, and life. With over 20 years of experience in building insulation and firestopping, Nelson is a leader in life safety and energy conservation.