Twenty years ago, almost every new Ontario barn was insulated steel. Today, more than half of new agricultural construction in the province is fabric — and the trend is accelerating. Here is what is driving the shift, by application.
Dairy Free-Stall and Calf Housing
Cow comfort metrics improve measurably under translucent fabric. Lying time goes up, somatic cell counts drop, calf respiratory disease drops. Ontario dairies retrofitting from dark insulated barns to MegaDome free-stall consistently report 4–8% milk yield improvements alongside health gains.
Hay and Grain Storage
Tarped hay loses 15–25% dry matter to weather. Steel-roofed hay barns drip condensation onto top bales. Fabric breathes — zero condensation drip — and translucent panels naturally dry residual bale moisture. The economics on hay loss alone often pay back the building.
Equipment Cover
A combine left in the field rusts paint, dries seals and accelerates depreciation. A combine under MegaDome stays drier and brighter, with paint and seals lasting decades longer. Dealers increasingly require covered storage for warranty.
Livestock and Poultry
Natural ventilation through ridge vents and side curtains keeps ammonia in check without mechanical fans. Beef, sheep, goat and poultry operators all report improved animal health metrics versus dark insulated facilities.
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