Polyurethane & Urethane Floor Coatings — BC Contractors
Aliphatic & Aromatic Urethane Topcoats | UV Stable · Chemical Resistant · Commercial & Industrial
Polyurethane and urethane topcoats provide a durable, chemical-resistant finish layer for concrete floor systems in commercial, industrial, and institutional settings. Aliphatic urethane formulations offer superior UV stability for sun-exposed environments, while aromatic grades deliver cost-effective performance in interior applications. Canopus Supply carries professional-grade urethane coatings for contractors across the Lower Mainland and BC.
Key Performance Advantages
- UV stability (aliphatic) — resists yellowing, chalking, and colour shift in sun-exposed environments
- Chemical resistance — withstands oils, fuels, mild acids, and common industrial chemicals
- Abrasion resistance — durable wear surface for foot traffic, wheeled equipment, and mechanical loads
- Low VOC options — suitable for occupied or semi-enclosed environments with appropriate ventilation
- Gloss and satin finishes — professional appearance with easy-clean surface
- System compatibility — designed for use over epoxy base coats as part of a complete floor system
Aliphatic vs. Aromatic Urethane
| Property | Aliphatic | Aromatic |
|---|---|---|
| UV Stability | Excellent — no yellowing | Poor — yellows under UV |
| Chemical Resistance | Good | Excellent |
| Best Use | Exterior, sun-exposed, showrooms | Interior, industrial, chemical exposure |
| Cost | Higher | Lower |
Typical Applications
- Topcoat over epoxy base coat systems in commercial and industrial floors
- Garage floors and automotive showrooms (aliphatic)
- Warehouses, manufacturing, and chemical processing areas (aromatic)
- Parkade topcoats over waterproofing membranes (aliphatic)
- Food processing and pharmaceutical facilities
- Institutional and healthcare floors
Frequently Asked Questions
Do I need a primer before applying a urethane topcoat?
Urethane topcoats are typically applied over a cured epoxy base coat, not directly to bare concrete. The epoxy base coat provides adhesion, build, and a uniform substrate for the urethane finish coat.
Can urethane coatings be used outdoors?
Aliphatic urethane coatings are suitable for exterior and UV-exposed applications. Aromatic urethanes will yellow and chalk under UV and should not be used in sun-exposed environments.
What is the recoat window for urethane topcoats?
Recoat windows vary by product and temperature. Typically 8–24 hours at 20°C. If the recoat window is missed, lightly abrade the surface before applying the next coat. Confirm with the product data sheet.
Is ResinTech TCU an aliphatic or aromatic urethane?
ResinTech TCU (Aliphatic Top Coat Urethane) is an aliphatic urethane — UV stable and suitable for exterior and sun-exposed applications including garage floors, showrooms, and parkade topcoats.
Canopus Supply — Professional Concrete Coating & Equipment Supply
Available at Canopus Supply — North Vancouver, BC. Authorized distributor of ResinTech products in British Columbia.
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