Exterior painting in Calgary, built for weather that breaks paint.

A chinook can lift the temperature twenty or thirty degrees in a matter of hours, and it can do that repeatedly through a single winter. Every one of those swings is a freeze-thaw cycle: moisture in and behind the coating expands, contracts, and works away at the bond. A rigid or under-prepped film cracks; water gets behind it; the next cycle lifts it.

Add elevation. Calgary is roughly a kilometre above sea level with a lot of clear days, so UV load on a south or west elevation is genuinely harder than in most Canadian cities. Deep and saturated colours fade first, and they fade unevenly — the south wall goes before the north wall, which is why a five-year-old paint job can look fine from the street and tired from the driveway.

None of this is fixed by buying more expensive paint alone. It is fixed by prep: washing off chalking, scraping what has already let go, priming bare substrate, caulking the joints that let water in, and then using an exterior acrylic with enough flexibility to move with the wall instead of fighting it.

Most exterior coatings need surface and air temperatures to hold above roughly 10°C, including overnight, while the film cures. In practice that means the reliable Calgary exterior window runs about May through September, with early and late shoulder weeks depending on the year.

The result is a bottleneck: everyone books the same four months. Getting your quote sorted in March or April rather than July is the difference between painting this season and painting next one.

Different substrates fail differently and get prepped differently. Stucco needs elastomeric or masonry-appropriate coatings and crack treatment; wood needs scraping, sanding and spot-priming; fibre cement and vinyl need the right adhesion primer and colours that will not overheat the panel.

Calgary sits in Canada's hail alley. The August 2024 storm alone drove an estimated $3.25 billion in insured losses, and hail season here runs roughly June through August. A hail event does not only dent siding and shingles — it chips and pits paint film, and those pits are exactly where water starts working.

If you have taken hail, sort the repair and the repaint together. Painting over pitted, unrepaired siding just buries the problem for a season. If there is an insurance claim in play, we will work to the scope your adjuster has approved.

We paint exteriors right across the region, and Cochrane gets its own page because the wind off the ridge and the chinook cycle out there wear a finish faster than most of the city does. If your house is west of Calgary, read what exterior work costs in Cochrane before you budget.