Paintmaster Boat & Barge Primer Undercoat

Paintmaster Boat & Barge Primer Undercoat prepares suitable boat and barge surfaces before a compatible enamel topcoat. Paintmaster lists metallic and wooden hull surfaces and use on narrowboats, canal boats, barges, cruisers and marine decks. Paintmaster states that it can be used above or below the waterline; follow the product instructions and check compatibility with the chosen topcoat.

Key information

• Approximate coverage: 6–8 m² per litre
• Application: brush, roller or spray
• Touch dry: 6–8 hours
• Fully dry: approximately 24 hours in dry, well-ventilated conditions
• Thinning: White Spirit is listed by Paintmaster

Preparation and application

Apply to a clean, dry surface and remove oil or grease before painting. Apply by brush, roller or spray, following the product label. Allow it to dry as directed before applying a suitable enamel topcoat. Keep the area well ventilated and store away from naked flames.

Frequently asked questions

What is this primer undercoat for?

It is intended to prepare boat and barge surfaces before applying a suitable enamel topcoat.

Which surfaces can I use it on?

Paintmaster lists wooden and metallic hull surfaces and examples including narrowboats, canal boats, barges, cruisers and marine decks.

Can I use it above or below the waterline?

Paintmaster states that this primer undercoat can be used above or below the waterline. Check suitability for your vessel and follow the manufacturer's instructions for the full coating system.

How much does it cover?

Approximate coverage is 6–8 m² per litre. Actual coverage varies with the surface and application method.

How long does it take to dry?

Paintmaster lists 6–8 hours to touch dry and approximately 24 hours to fully dry under dry, well-ventilated conditions. Allow extra time if conditions are less suitable.

How should I prepare the surface?

Make sure it is clean and dry, and remove oil or grease before application. Follow any additional preparation advice on the product label.