Dulux High Gloss Finish Medium Base is a solvent based formulation which offers excellent flow, giving surfaces a tough, durable high gloss finish suitable for use on interior and exterior wood and metal surfaces On smooth surfaces of average porosity, as a guide to the practical coverage that can be achieved is up to 18m² per litre To achieve full opacity apply 2 coats of Dulux® High Gloss expect drying time between 4 to 6 hours. Recoatable after 16 hours