Quick Drying Polyurethane Varnish Satin | R695020 Type: Varnish Colour: Walnut Interior and exterior use Base: Water Based Finish: Satin Coverage: 12-15 sq.metres/litre Container Size: 500ml Rustins Quick Drying Polyurethane Varnish Satin 500ml - Walnut | R695020 Rustins Quick Dry Polyurethane Varnish Satin is a water-based, coloured polyurethane varnish that is tough and durable and will resist cracking, peeling and blistering. Can be used on bare wood, hardboard, MDF, and unsealed cork. This product is suitable for outdoor and indoor joinery in both hard and softwood, doors, windows, garden furniture and conservatories, and can also be used as a sealer for concrete.