What is the average cost of concrete sealing in Calgary in 2026?

Concrete sealing in Calgary typically runs $0.50–$2.50 per square foot for professional application, depending on the type of sealer, surface condition, and prep work required. For a standard double-car driveway (roughly 400–500 sq ft), you're looking at $200–$1,250 installed — with most homeowners landing in the $400–$700 range for a quality mid-grade job.

Pricing breaks down into three tiers in the Greater Calgary market. Budget end ($0.50–$0.90/sq ft) typically means a basic acrylic sealer, minimal prep, and a single coat — suitable for newer concrete in good condition. Mid-range ($1.00–$1.75/sq ft) gets you better penetrating or epoxy-modified sealers, proper surface cleaning, crack filling, and two coats. Premium ($1.75–$2.50+/sq ft) involves high-performance polyurethane or polyaspartic coatings, pressure washing, etching, and sometimes decorative finishes — common for garage floors and stamped concrete patios.

The biggest cost drivers are surface prep and condition. Calgary's expansive clay soils and brutal freeze-thaw cycles (thanks to chinook swings that can shift temperatures 20–30°C in a day) are genuinely hard on concrete. If your slab has significant cracking, spalling, or efflorescence, expect to pay more for prep — or address those issues before sealing. Sealing over damaged concrete is money wasted. Calgary's UV intensity at altitude also degrades sealers faster than in lower-elevation cities, so budget for resealing every 2–4 years for acrylics, or 5–10 years for premium polyurethane/polyaspartic products.

Calgary-specific note: Concrete sealing is best done between May and September when temperatures are consistently above 10°C and there's no rain in the forecast for 24–48 hours. Avoid sealing in late fall — if moisture gets trapped under the sealer before a hard freeze, you'll get peeling and bubbling by spring. De-icing salts (common on Calgary driveways) are also brutal on unsealed concrete, so timing your seal before winter is smart preventive maintenance.

DIY vs. Professional: Sealing is one of the more DIY-friendly concrete tasks — rental pressure washers run $60–$100/day, and quality sealer from a Calgary building supply runs $40–$80 per pail covering 200–400 sq ft. That said, professional application ensures proper surface prep, consistent coverage, and the right product for your specific concrete type (stamped, exposed aggregate, broom finish, and garage floors all have different ideal sealers). For stamped concrete or high-traffic commercial-grade applications, hire a pro.

Next steps: Get 2–3 quotes from concrete contractors in the Calgary area, ask specifically what sealer product they're using and how many coats are included, and confirm they'll do a proper pressure wash and crack assessment before application. Browse local concrete contractors in the Calgary Construction Network directory to find professionals serving your community.