Barn spray foam insulation in Westlock is mostly work on mixed farms, where the grain is the main enterprise and the cattle are the other half of the operation. The barn is not a year-round livestock building here. It is a calving and handling building that matters enormously for a few weeks in late winter and sits quiet the rest of the year, and that duty cycle is what should shape the specification.
The season the building is actually for
Calving in this part of Alberta lands in the coldest, longest stretch of the year, before anything resembling spring. The barn has to hold a usable temperature with a wet floor, a lot of animal moisture in the air and the doors opening at all hours. It does not have to hold it in July. Designing the envelope for the few weeks that count is a different exercise from designing a continuously housed building, and it usually means a tighter shell with less installed heat rather than the reverse.
No thaw to interrupt the condensation
South of here a winter is a series of cold spells broken by chinook thaws, and every thaw dries a barn out a little. North of Edmonton that reset does not arrive. The cladding goes below freezing and stays there, so moisture put into the air by animals, bedding and any wash water has a continuous, months-long window to find the coldest surface and condense on it. Frost builds in layers on the inside of the steel and on the nail heads, then releases all at once when the weather finally turns. Owners describe that as a leaking roof. It was never rain.
A tight barn is a ventilated barn
The objection we hear is that sealing a barn will suffocate it. What sealing actually removes is accidental ventilation, which is air arriving wherever the building happens to leak rather than where it would do any good. In a barn full of animals in February the required air change is set by moisture and air quality, and the only way to deliver a controlled rate at that temperature is to seal the shell and then ventilate on purpose. Adhered closed-cell foam does the sealing and the insulating in the same pass, which matters on a barn where the inside face is a patchwork of old framing, additions and repairs that nothing cut to size will fit.
Where the heat is leaving
The ceiling plane first, because warm moist air collects there and the temperature difference across it is the largest in the building. Then the wall band where the barn meets the ground, which on an older structure is frequently rotted bottom board, settled grade and a gap you can see daylight through. Then the doors. A barn with a sealed ceiling and a sealed base behaves differently in a cold snap even before the walls are touched.
The crew on your job
On barn spray foam insulation Westlock, the people who quote the work are the people who do it. We insulate it ourselves and we answer for the result.
Barn Spray Foam Insulation Westlock: Common Questions
Our barn roof drips when the weather warms up. That is accumulated frost releasing. With no mid-winter thaw here the inside of the cladding collects it all season, then sheds it in a day once the temperature climbs.
Will sealing the barn stop it breathing? It stops it leaking. Ventilation after sealing is deliberate and adjustable, which is the only way to get a controlled air change rate during calving.
Is it worth insulating a barn we only use in late winter? That is the case where it pays best, because the weeks you need it are the coldest weeks of the year and the building currently has no ability to hold heat at all.
How much does barn spray foam insulation cost in Westlock? It is priced per board foot over the sprayed area at the depth the dew point requires, so the ceiling plane and the wall base price separately and can be staged across two seasons.
How do I choose a barn spray foam contractor in Westlock? Ask what they would do about ventilation after the barn is sealed. If the answer is nothing, they are planning to leave the moisture in the building.
Size the assembly with the R-value calculator, then get a free Westlock quote. More on Barn Spray Foam Insulation Alberta province-wide.