How much does elastomeric stucco paint cost compared to regular exterior paint in Ottawa?

Elastomeric stucco paint in Ottawa runs about $65–$95 per gallon for professional-grade product, compared to $40–$60 per gallon for quality regular exterior paint. While that's a 50–70% premium at the paint counter, elastomeric coatings typically deliver significantly better value on stucco surfaces over their lifespan.

Why the Price Difference Matters for Ottawa Stucco

Elastomeric paint is engineered specifically for masonry and stucco surfaces. It forms a thick, flexible membrane — about 10 times thicker than regular paint — that stretches and contracts with temperature changes. In Ottawa, where exterior surfaces endure temperature swings of 60°C or more between winter lows and summer highs, this flexibility is a genuine performance advantage, not just marketing.

Here's how the costs compare for a typical Ottawa home with 1,200 square feet of stucco surface:

• Elastomeric paint (materials only): $500–$750 — covers at approximately 75–100 sq ft per gallon for first coat, 100–150 sq ft for second coat- Regular exterior paint (materials only): $300–$450 — covers at approximately 250–350 sq ft per gallon, two coats- Professional application (elastomeric): $3,500–$5,500 total including prep, two coats, and materials- Professional application (regular paint): $2,500–$4,000 total including prep, two coats, and materials

The labour cost for elastomeric is higher because the product is thicker, requires more careful application (usually by roller or airless sprayer), and demands thorough surface preparation. Any existing cracks over 1/16 inch need to be patched first since elastomeric can bridge hairline cracks but not gaps.

Where elastomeric paint wins on value is longevity. A quality elastomeric coating on Ottawa stucco lasts 10–15 years before needing recoating, while regular exterior paint on stucco typically shows wear at 5–7 years. Over a 15-year window, you'd repaint twice with regular paint versus once with elastomeric — making the elastomeric option cheaper long-term.

The waterproofing benefit is also substantial for Ottawa conditions. Elastomeric paint creates a genuine moisture barrier that prevents water from penetrating stucco pores during heavy rains and spring thaws, while still allowing water vapour to escape from inside the wall. This breathability factor is critical — a coating that seals in moisture causes more damage than no coating at all.

Top brands available at Ottawa suppliers include Sherwin-Williams Loxon XP ($75–$90/gallon), Benjamin Moore Aura Waterborne Exterior ($70–$85/gallon for their elastomeric line), and PARA Ultra ($65–$80/gallon). All perform well in our climate. Avoid big-box store economy elastomeric products under $50/gallon — they have lower elastomeric content and won't deliver the same crack-bridging and longevity performance.

For most Ottawa stucco homeowners, the elastomeric upgrade is worth the premium, especially if your stucco has developed hairline cracks from seasonal movement.

---

Looking for experienced contractors? The Ottawa Construction Network connects Ottawa homeowners with qualified professionals:

• Justyn Rook Contracting
• RenoMotion Inc.
• Rrenovatios
• Elie The Carpet Guy Inc.
• Jaiko Cleaning Services

View all contractors →