Metal Building Spray Foam Insulation in Ontario
Pre-engineered steel buildings, quonsets, and shops — closed-cell foam bonded straight to the panels. Condensation gone, heat stays in.
Steel buildings are fast to erect and brutal to condition. Bare panels conduct heat almost perfectly, so the building is an oven in July, an icebox in January, and a rain forest on cold mornings when interior moisture condenses on the skin.
Closed-cell spray foam is the definitive fix for steel: it bonds directly to the panels, insulates at R-6 per inch, and — because it's vapour-impermeable — makes panel condensation physically impossible. It also stiffens the panels, which owners notice immediately as less wind drumming and rattle.
We spray new pre-engineered buildings before fit-out and retrofit existing shops, warehouses, and quonsets. Large metal building projects: anywhere in Ontario.
We mobilize anywhere in Ontario for projects at scale.
The Problem
Batt Systems Fail on Steel
The vinyl-faced batt systems installed with most PEMBs compress to nearly nothing at every girt and purlin, and the facing tears during construction and service. Every tear lets humid air reach cold steel — which is why buildings insulated that way still drip.
Fibreglass also does nothing for air leakage at panel laps, base angles, and framed openings. The building leaks air at every joint, and the heating system pays for it every hour of the winter.
Why It Works
What Foam Does for a Steel Building
- Eliminates panel condensation permanently — the steel never sees interior air
- R-6 per inch bonded continuously — no compression at girts and purlins
- Air-seals panel laps, base angles, and penetrations in the same pass
- Stiffens panels — noticeably less drumming, rattle, and wind noise
- Brightens interiors — foam reflects light that dark steel absorbs
- Makes an unheated shell realistically heatable for the first time
Where We Apply It
Steel Buildings We Spray
- Pre-engineered metal buildings
- Machine and fabrication shops
- Quonset huts
- Steel-clad pole barns
- Riding arenas
- Storage buildings
How It Works
How a Metal Building Job Runs
Step 1: Assess
Dimensions, panel condition, and how you use the building. Quote within 72 hours.
Step 2: Prep
Contents protected or cleared from spray zones; surfaces cleaned and masked.
Step 3: Apply
Closed-cell foam sprayed to spec thickness across walls and roof panels.
Step 4: Verify
Thickness spot checks and photo documentation before we demobilize.
FAQ
Common Questions
Yes — permanently. Condensation needs interior air touching steel that's below the dew point. Foam bonded to the panel means interior air only ever touches warm foam. This is the single most common problem we're called for, and it's a complete fix.
Ready to get started?
Call (519) 324-6173