About 32% of homes in Canmore were built before 1991, which is a low share for an Alberta town with a history this long. The number tells you what happened here: the coal mines closed at the end of the 1970s, the valley was rediscovered as a place to live rather than a place to work, and most of what stands today went up afterwards. Two thirds of the housing is newer than that cut, and almost none of it is a detached house on a wide lot.
Three different buildings, one town
The mine-era cottages in the older streets near the river are small, shallow-footed and often sitting over a crawl space rather than a full basement. The subdivisions that followed are conventional framing, but built onto slopes, with drive-under garages and walkout lower levels. The newest layer is attached and stacked: townhouse rows, duplexes, and three- and four-storey buildings with units above and below each other. Each of those three is a different envelope with a different weak point, and a quote that does not say which one you have is guessing.
Altitude changes the loads, not just the temperature
The valley floor here sits high enough that the roof structure is designed to hold a serious weight of snow, which is why Canmore roofs are framed deep and pitched hard. That same roof is also taking intense sun at altitude on its south face while the north face stays frozen, so one half of the building is thawing while the other half is not. Add the down-valley wind that funnels through the Bow Valley and you have a shell under pressure from one side and under daily freeze-thaw cycling on the other.
Attached means shared, and shared means decisions
On a detached house you own the whole envelope. In a townhouse row or a stacked building you own part of it, and the cold surface you are feeling may be on the other side of a party wall or a floor assembly that belongs to the corporation. That is not a reason to do nothing. It is a reason to establish early which surfaces are yours, because it decides both the scope and who has to approve it.
Half-occupied buildings behave differently
A great many units in this town are empty midweek and set back to a holding temperature. An intermittently heated building runs cold through the assembly, and then a weekend of showers, cooking and wet gear puts a large slug of moisture into a shell that has had no chance to warm up. That is where the hidden condensation shows up, and it is why the air sealing matters more here than the raw depth of insulation does.
Where the foam actually earns its place
Closed-cell foam runs about R-6 to R-7 per inch and becomes a vapour barrier at roughly two inches, which is what makes it the right material against concrete, against steel and in the shallow cavities a mountain retrofit leaves you. Open-cell runs about R-3.5 to R-3.8 per inch and is the better answer where sound between units is the problem. In both cases the point is the same: insulation does not stop air movement, air sealing does, and the leaks in this town are concentrated at rim joists, at the junction between a drive-under garage and the floor above it, and around the roof plane.
Spray Foam Insulation Canmore: Common Questions
Is my building old enough to be worth doing? About a third of Canmore homes predate 1991, and those are the deep retrofits. The newer two thirds usually need sealing and targeted work rather than wholesale insulation.
Who does spray foam insulation in Canmore? We do. We quote the job from the building, schedule it and stand behind the work.
How much does spray foam insulation cost in Canmore? It is priced per board foot over the sprayed area, so the number follows area and target depth. Access on a tight mountain lot and staging in an attached building affect the day, not the rate.
How do I get a spray foam insulation quote in Canmore? Tell us the building type - cottage, walkout, townhouse row or stacked unit - and which room is uncomfortable. Those two facts decide what we come to look at.
Size the job with the R-value calculator, then get a free Canmore quote. More on residential spray foam insulation province-wide and what drives the price.