The Partner That Makes Your Jobs Easier
Qualified crews, responsive estimating, and professional project execution for commercial and industrial mechanical insulation across the Midwest.
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Experienced Field Crews
Experienced field leadership and crews scaled to project requirements.
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Safety & Accountability
Daily planning, site coordination, and disciplined field execution.
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Responsive Estimating
Clear scope review, timely estimates, and consistent project communication.
Commercial & Industrial Insulation Services
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![Industrial machinery with metal pipes, valves, and a large metal duct, situated indoors.]()
Pipe Insulation
Insulation for hot, cold, plumbing, hydronic, steam, process, and refrigeration piping, supporting thermal performance, condensation control, and personnel protection across commercial and industrial mechanical systems, including repairs and upgrades.
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![Ceiling of a building with exposed metallic ductwork, pipes, and electrical wiring.]()
Duct Insulation
Insulation for supply, return, exhaust, outside-air, and specialty duct systems, supporting thermal performance and condensation control in commercial and industrial facilities, including new construction, renovations, and existing-system upgrades.
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![Person installing insulation between wall studs using a screwdriver.]()
Equipment Insulation
Insulation for tanks, vessels, pumps, valves, and mechanical equipment, supporting thermal control, energy efficiency, and personnel protection across commercial and industrial facilities, including new installations and existing-system modifications.
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![A pipe connected to a grey insulated box with a red valve and brass fittings, situated on a white surface next to a grey bag filled with an unknown substance. The background shows a corner of a room with a tiled wall and a blurred shelf.]()
Removable Insulation Blankets
Reusable insulation blankets for mechanical equipment and components requiring maintenance, service, or inspection access, helping maintain thermal performance while allowing insulation removal and reinstallation during routine facility operations.
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![Multiple large metallic pipes and valves outdoors in an industrial setting, with a fence and industrial structures in the background.]()
Metal Jacketing
Protective metal finishes for interior and exterior mechanical insulation systems, supporting insulation durability around piping, ductwork, and equipment in commercial and industrial facilities, including new installations and replacement work.
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![Person wearing gloves using a utility knife to cut a pipe near brass fittings and electrical wires.]()
Repair & Retrofit
Replacement insulation, repairs, and modifications for existing mechanical systems, supporting renovations, equipment changes, and system replacements in commercial and industrial facilities, with scope and scheduling coordinated around project requirements.
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![A complex network of pipes, gauges, and valves in a mechanical or utility room, with white insulation on many pipes, metal fittings, and some blue and red components.]()
Energy-Efficiency Upgrades
Mechanical insulation improvements intended to reduce energy loss and improve system performance, addressing piping, ductwork, and equipment in existing facilities through project-specific repairs, replacements, and upgrades coordinated with customers.
Markets We Serve
Built for Demanding Environments.
Project Experience
Experience Across Complex Facilities.
Healthcare
Sanford Health Facilities
Higher Education
North Dakota State University
Industrial
American Crystal Sugar
About SMI
Regional Strength. Professional Execution.
SMI is a mechanical insulation contractor serving commercial and industrial projects across the Midwest. From Bismarck and Duluth, we bring qualified crews, experienced leadership, and a focus on safety and clear communication.
Discuss Your Next Project
Let’s Discuss Your Mechanical Insulation Requirements.
Share your project scope, plans, and schedule with SMI, or add our estimating team to your bidders list for upcoming opportunities.