About Our Company

Established by Ray Nagle in 1976 as Mid-State Insulation Inc., the original owner/operator is still actively involved in the business today. Ray and his crew bring over 40 years of experience to their high-quality insulation and roofing systems projects.

Serving the Minnesota, North Dakota and South Dakota region, Mid-State Insulation Inc. specialize in Spray Foam Polyurethane (SPF) for Commercial, Industrial and Residential applications. Mid-State Insulation Inc. is a bonded and insured insulation contractor, and qualified LEED insulation contractor.

Contact us today to find out more about Polyurethane Insulation and Polyurethane Roof Systems for all your commercial, industrial and residential needs. Bonded and insured, we provide warranties in all our services. Call us to learn more.