Tremco Vulkem 346 | Aliphatic One-Component Polyurethane Traffic Deck Top Coat
Tremco Vulkem 346 | Aliphatic One-Component Polyurethane Traffic Deck Top Coat
UV-Stable Aliphatic Polyurethane Top Coat for the Vulkem 350NF/346 Traffic Deck System | Brand: Tremco
Vulkem 346 Top Coat is an aliphatic, one-component polyurethane applied as the final wear surface in the Vulkem 350NF/346/346 cold-applied traffic deck coating system. It delivers excellent abrasion resistance, UV stability, and chemical resistance, protecting concrete slabs and occupied areas below from water, deicing salts, chemicals, gasoline, oils, and antifreeze.
Performance Highlights
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Components One-component |
UV Stability Excellent — aliphatic formula |
Abrasion Resistance Excellent |
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Chemical Resistance Gasoline, oils, deicing salts |
Adhesion to Vulkem 346 Exceedingly strong interlaminary |
Application Cold-applied |
Product Description
Vulkem 346 Top Coat is applied after the Vulkem 350NF base coat and 346 intermediate coat have fully cured. Interlaminary adhesion to Vulkem 346 is exceedingly strong, ensuring a cohesive, durable system. The aliphatic polyurethane chemistry provides superior UV stability compared to aromatic alternatives, maintaining color and gloss retention under prolonged sun exposure. The system protects concrete from water damage, freeze/thaw cycling, deicing salts, chemicals, gasoline, oils, and antifreeze.
System Overview — Vulkem 350NF/346/346
Vulkem 346 Top Coat is the final layer in the Vulkem 350NF/346/346 cold-applied traffic deck coating system:
- Base Coat: Vulkem 350NF — single-component urethane waterproofing membrane
- Intermediate Coat: Vulkem 346 — aliphatic polyurethane build coat
- Top Coat: Vulkem 346 — UV-stable aliphatic polyurethane wear surface
Key Benefits
- UV Stable: Aliphatic formula resists yellowing and degradation under prolonged UV exposure
- Excellent Abrasion Resistance: Durable wear surface for vehicular and pedestrian traffic
- Chemical Resistance: Resists gasoline, oils, antifreeze, deicing salts, and chemicals
- Waterproof Protection: Protects concrete and occupied areas below from water damage
- Exceedingly Strong Interlaminary Adhesion: Bonds aggressively to the Vulkem 346 intermediate coat
- Cold-Applied: No heat required — applied at ambient temperatures
Typical Applications
- Parking garages and parkade decks
- Pedestrian walkways and plaza decks
- Concrete slabs over occupied areas
- Traffic deck systems exposed to deicing salts and chemicals
Downloads
Health & Safety
Read the current Safety Data Sheet (SDS) before use. Wear chemical-resistant gloves, safety goggles, and ensure adequate ventilation during application. Store in a cool, dry location in original sealed containers away from heat and ignition sources.
Frequently Asked Questions
What is the difference between Vulkem 346 and Vulkem 951NF as a top coat?
Both are aliphatic polyurethane top coats, but Vulkem 951NF is a two-component product offering faster cure and higher performance for demanding vehicular traffic applications. Vulkem 346 is a one-component product used in the Vulkem 350NF/346/346 system. Confirm the correct system specification for your project.
Does Vulkem 346 require a primer?
Vulkem 346 Top Coat is applied over a fully cured Vulkem 346 intermediate coat within the Vulkem 350NF/346/346 system. Refer to the Technical Data Sheet for recoat windows and system requirements.
Tremco — Professional Waterproofing & Traffic Deck Systems
Disclaimer: The information provided is for professional reference only and does not replace project specifications, local codes, or manufacturer instructions. Confirm product suitability and system compatibility for your application before use.
Available at Canopus Supply — North Vancouver, BC. Authorized distributor in British Columbia.
