Veteran-Owned · Spray Foam · SPF Roofing · Coatings · Serving MT / ND / SD / WY
📞 406-939-8301

Metal Building & Steel Shop Spray Foam Insulation

Closed-cell spray foam that bonds to the steel, stops the sweating, and turns a cold metal shell into a building you can heat — shops, Quonsets, warehouses and steel buildings across Montana, North Dakota, South Dakota & Wyoming. Veteran-owned and BPI-certified.

✔ Stops steel sweating ✔ Seals every seam ✔ BPI Certified ✔ $0-Down Financing
Closed-cell spray foam applied to the inside of a steel building
Veteran-Owned · Fully Insured · BPI Certified · Serving MT, ND, SD & WY

Why steel buildings sweat — and how foam stops it

A metal building is a giant cold surface. Warm, humid air inside hits that cold steel and condenses — the same way a cold glass sweats on a summer day. That moisture drips onto your equipment, rusts fasteners, and ruins whatever's stored below. Fiberglass batts and vinyl-backed blanket insulation slow heat but let the air keep reaching the metal, so the sweating never really stops. Closed-cell spray foam bonds directly to the panel as one continuous air and vapor barrier — the warm air can't touch the cold steel, so the condensation stops at the source.

🚫 Stops the sweat

Air + vapor barrier bonded to the steel. No warm air on cold metal means no condensation, no drip, no rust.

💪 R-value that stays put

About R-6.5 per inch, and it won't sag, settle, or hold water against the panel like batts and blanket do.

🌡️ A shop you can heat

Seal the seams and skin the steel and the building finally holds temperature through a hard Northern-Plains winter.

The part competitors leave out: the same closed-cell job that stops the sweating is the job that seals the envelope so your heat stays in — air sealing and insulation in one pass. Anyone can quote you a square-foot price. We tell you what it fixes: a dry, sealed, heatable building. On steel in this climate, that's the whole point.

Related spray foam topics: Spray Foam Insulation · Open-cell vs closed-cell · Foam strengthens walls · The building envelope · Pole barns

What we spray

Steel shops & garages

Full closed-cell shell for working shops — run a heater and actually keep the heat.

Quonsets & arch buildings

Foam conforms to curved steel where batts never fit right, sealing the whole arch.

Warehouses & commercial

Large steel buildings sealed for temperature control, moisture protection and lower energy cost.

BPI-certified building science

Owner Clifton Behner holds BPI Professional and Technician certifications from the Building Performance Institute. On a steel building that means the foam is specified for air sealing and moisture control across the whole envelope — done right the first time, not spray-and-go.

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Where we work

Based in Glendive, MT — serving the four-state region. Not listed? Call, we travel for the right job.

Glendive, MTMiles City, MTSidney, MTBillings, MT Williston, NDWatford City, NDDickinson, NDBismarck, ND Rapid City, SDGillette, WYSheridan, WY

Common questions

Why does my metal building sweat?

Bare steel is cold. When warm, humid inside air touches it, the moisture condenses and drips — like a cold glass sweating in summer. Closed-cell foam bonds to the steel as an air and vapor barrier so the warm air never reaches the cold panel, stopping the sweating at the source.

What R-value can I get in a steel building?

Closed-cell foam delivers about R-6.5 per inch, so a few inches gives real R-value plus a full air seal — far more effective per inch than batts or blanket, and it won't sag or trap moisture against the metal.

Can you spray an existing metal building?

Usually yes — we spray directly to clean steel or over framing after prep. We'll assess your building and give you a straight answer on prep and coverage.

Can I finance it?

Yes — $0-down financing through Hearth. Checking your rate is a 60-second soft pull that won't affect your credit.

📞 Get a free metal building assessment — call or text 406-939-8301
Machine Gun Spray Foam & Concrete Lifting, LLC · Veteran-Owned · 2402 N Anderson Ave, Glendive, MT 59330
📞 406-939-8301 · Serving MT / ND / SD / WY · BPI Certified