Exterior Coatings in Vancouver

High-Performance Exterior Building Coatings & Facade Painting

A building's facade is subjected to constant weather-related stress. In Vancouver's wet coastal climate, standard building paints quickly fail, cracking under thermal expansion and peeling due to trapped moisture. To protect commercial masonry, concrete, and stucco facades, properties require specialized high-build elastomeric coatings. These systems form a thick, breathable waterproof envelope that shields the building from wind-driven rain, resists UV degradation, and adapts to structural movement.

Elastomeric Coating Chemistry & Breathability

Unlike traditional acrylic paints that dry to a rigid thin film, elastomeric coatings are formulated with advanced acrylic resins that cure to a thick, rubber-like membrane.

• Elongation & Crack-Bridging: Elastomeric coatings can stretch up to 300% of their original size. This high elasticity allows the coating to flex as the building expands in summer heat and contracts in winter cold, bridging hairline stucco cracks (up to 1/16th of an inch) without splitting.
• Breathability (Permeability): A critical property of building coatings is breathability. Our coatings have a high "perm rating," which means they prevent liquid rainwater from entering the concrete from the outside while allowing internal moisture vapor to escape. This prevents trapped water from bubbling, blistering, and peeling the coating.
• Carbonation Protection: By blocking water and carbon dioxide, elastomeric coatings protect concrete columns from carbonation, which lowers the pH of concrete and causes the internal steel reinforcing to corrode.

Surface Preparation & Application Protocols

The success of an exterior coating relies entirely on substrate preparation. Our certified applicators follow a strict technical protocol:

• High-Pressure Washing: Facades are washed at 3,000+ PSI to remove chalking paint, dirt, biological growth (algae/moss), and airborne salts.
• Substrate Neutralization: New concrete or stucco must be tested for pH level; high alkalinity is neutralized to prevent paint burning.
• Primer Coat: We apply alkali-resistant primers to stabilize porous masonry and ensure maximum adhesion.
• Dual-Coat Application: Elastomeric coatings are applied in a two-coat system using professional airless sprayers and heavy rollers, achieving a dry film thickness (DFT) of 10-15 mils (compared to 1-2 mils for standard paint).

Weather Window & Quality Verification

We monitor weather conditions closely during application. Elastomeric coatings require a dry substrate (moisture content below 12%) and temperatures above 5°C. We conduct coverage audits, checking wet film thickness with gauges to ensure the coating meets the manufacturer's exact specifications, securing a 10-year written waterproofing warranty for our clients.

How Much Do Exterior Building Coatings Cost in Vancouver?

Exterior elastomeric coating costs in Vancouver vary based on building height, facade square footage, substrate condition, and access method. The main cost drivers are the extent of concrete crack repair and prep required before the coating can go down, how crews reach the work, and the number of coats the specification requires. Scaffolding-free rope access application significantly reduces mobilization costs compared to traditional methods. Allweathercoating provides detailed quotes with itemized cost breakdowns after a complimentary site assessment.

Elastomeric Coating vs. Standard Exterior Paint: Key Differences

Elastomeric wall coatings and standard exterior paint differ fundamentally in thickness, flexibility, and waterproofing capability. Standard exterior acrylic paint dries to a film of just 1–2 mils thick — decorative but not waterproof, and prone to cracking when the substrate shifts. Elastomeric coatings cure to 10–16 mils of flexible, rubberized membrane that stretches up to 300% to bridge hairline concrete cracks, blocks liquid water penetration, and maintains a continuous waterproof seal through freeze-thaw cycles. For Vancouver's wind-driven rain and coastal salt air, elastomeric coatings provide genuine building protection that standard paint cannot match.