Pole barn spray foam insulation in Rocky Mountain House is applied to the inside face of the cladding, across the girts and the posts as one surface. Post-frame is the default building on acreages and ranches here, and what goes on inside them is rarely one thing.
Equipment and hay under one roof
The typical building in this district holds several unrelated things at once: a tractor, a trailer, a quad, a stack of bales, some tools and whatever the property has accumulated. Those have different requirements, and the mistake is treating the whole shell to suit the most demanding of them. Hay needs to stay dry and does not care about temperature. A machine cares about condensation, not cold. A workbench needs somewhere warm enough to stand for an hour. One building, three answers, and on a Rocky Mountain House property the cheapest outcome is almost always to stop treating them as one.
A building put up for one purpose and used for another
Most of these went up to shelter equipment and have since become half workshop, half storage, and occasionally part animal shelter. The envelope was never revisited when the use changed, which is why a building that was perfectly adequate as a machinery shelter is now unsatisfactory as the place somebody works two days a week. The useful conversation is about what it is now, not what it was built as.
Sprayed across the frame, because nothing fits inside it
A post-frame wall has no cavity. There is nothing to fit a batt into, and anything hung across the inside face sags, leaves air behind it and stops doing much within a few seasons. Sprayed foam covers the posts, the girts and the cladding together as one continuous surface with nothing behind it, which is the only arrangement that suits the way these buildings are put together. It also stops the timber posts acting as a thermal path of their own.
Heating a corner of a very large volume
The right answer on most of these is not to treat the whole shell. Partition one bay, seal and insulate that, put a modest heat source in it, and leave the rest as covered storage. On a propane property that difference is not a small saving, it is the difference between a workshop somebody uses in January and a building nobody can afford to warm. It is worth pricing both ways so the comparison is visible rather than assumed.
Pole Barn Spray Foam Insulation Rocky Mountain House: Common Questions
Do we have to do the whole building? Usually not, and on expensive heat you probably should not. Partition a working bay.
Can anything be fitted between the girts? No. There is no cavity, which is why the foam goes across the whole inside face.
Can hay and equipment be stored in the same insulated building? They want different things. That is worth separating before deciding the scope.
Size the assembly with the R-value calculator, then get a free Rocky Mountain House quote. More on Pole Barn Spray Foam Insulation Alberta.