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Johnstone’s Trade Professional Undercoat Brilliant White 2.5L is a high-opacity basecoat formulated to provide a smooth, durable foundation for gloss and satin finishing paints. Designed specifically for professional decorators, it improves adhesion, enhances colour consistency and supports a long-lasting decorative result.
The 2.5 litre size is ideal for medium-scale projects, offering reliable coverage across doors, trim and larger timber surfaces.
Professional trade undercoat
Colour: Brilliant White
Size: 2.5 Litres
Suitable for interior and exterior use
Strong covering power and opacity
Smooth application and levelling
Enhances durability of gloss and satin topcoats
Compatible with Johnstone’s Trade finishing systems
Using a dedicated undercoat ensures better colour build and improved uniformity when applying finishing coats. Its excellent opacity helps mask previous colours and creates a consistent surface for lighter topcoats.
This results in a cleaner, more professional appearance and can help reduce the number of finishing coats required.
Recommended for use on:
Interior and exterior timber
Doors, frames and trim
Skirting boards and architraves
Window frames
Appropriately primed metal
For new or bare substrates, apply a suitable primer before undercoating.
Ensure surfaces are clean, dry and properly prepared prior to use. Stir thoroughly and apply evenly with a quality brush or roller. Allow sufficient drying time before applying the chosen gloss or satin topcoat.
Offering dependable adhesion, strong opacity and smooth application, this 2.5L undercoat is an essential step in achieving a durable, high-quality decorative finish. It provides professional performance for both interior and exterior decorating projects
