Dulux Trade Eggshell is a high VOC content eggshell finish. It is a washable oil based product that is applied by brush or roller. It is suitable for interior use. It is touch dry in 4-6 hours and recoatable after 16-24 hours. Eggshell is a tough, durable low sheen finish for wood and metal. It can be applied over most previously painted surfaces without an undercoat. On new surfaces apply over the top of a suitable primer.