Altex Elite 321 Brushing Topcoat (2-Pack) – 1L Marine Polyurethane Finish

The Altex Elite 321 Brushing Topcoat (2-Pack) 1L is a premium, high-performance polyester polyurethane marine finish designed for brush and roller application. Engineered for durability, gloss retention, and long-term protection, this two-component topcoat delivers a professional-quality finish on a wide range of marine surfaces.

Formulated using advanced polyurethane technology, Elite 321 provides excellent UV resistance, chemical resistance, and long-lasting gloss, helping protect your vessel from harsh marine conditions while maintaining a superior cosmetic finish.

Ideal for maintenance repainting and refinishing projects, this versatile topcoat is suitable for topsides, cabins, decks, interiors, masts, and fittings, making it a trusted choice for both professional marine painters and DIY boat owners. Key Features

High-performance two-pack polyurethane marine topcoat

Designed specifically for brush and roller application

Excellent gloss, colour retention, and cosmetic finish

Outstanding UV, chemical, and weather resistance

Durable, flexible, and tough protective coating

Ideal for maintenance repainting of yachts, launches, and boats

Easy-flow formulation for smooth finish and minimal brush marks

Professional-grade performance with excellent economy Technical Specifications

Product Type: Two-component polyester polyurethane topcoat

Pack Size: 1 Litre kit

Mix Ratio: 3:1 by volume

Finish: High gloss

Coverage: Approx. 11.2 m² per litre @ 50µm dry film

Pot Life: Approx. 5 hours at 25°C

Touch Dry: ~1.75 hours (approx.)

Hard Dry: 16–24 hours (approx.)

Application: Brush or roller (roll & tip recommended)

Thinner: Altex Thinning Solvent #22