Dulux Trade Undercoat Dark Grey 5L

Amazon

For interior and exterior surfaces. High quality, durable, high gloss. Up to 17m² per litre on sealed surfaces. Provides good build and obliteration. Excellent flow out of brush marks., Manufacturer: Dulux

Freshlick

A solvent-based undercoat for a wide variety of topcoatsContributes to exceptional sheen levelProvides high opacity and adhesionInterior and exterior use