Stucco is common in Estevan, and it is one of the surfaces that punishes a rushed paint job. Paint over the cracks and they come back through the finish in a season. Use the wrong coating and you trap moisture in the wall. Here is how we approach a stucco exterior in southeast Saskatchewan.
Fix the cracks first
Estevan's freeze-thaw cycles open hairline cracks in stucco every spring. We rake the cracks, fill them with an elastomeric patch, and let them cure before any coating goes on. Painting straight over a crack traps it under the film, and the crack reappears as the wall moves. The repair is the job; the paint is the finish.
Use a breathable coating
Stucco needs a coating that sheds water but lets moisture vapour escape. An elastomeric coating bridges hairline cracks and breathes, so moisture does not build up behind the finish and cause blistering. A standard acrylic on stucco can trap moisture and fail early.
The short season in Estevan
Exterior coatings need sustained temperatures above 10 degrees. Estevan's wind can push a coating day off schedule, and the window runs late May through mid-September. Book early.
Power wash before you coat
Stucco holds dust and chalk, especially on wind-exposed walls. We power wash and let the surface dry fully before coating. Coating over dirt and chalk is the most common reason a stucco paint fails early, and it is entirely preventable.
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