Blackfriar Quick Drying (Duratough) Interior Varnish transforms interior wooden surfaces. Available in a range of natural shades, it provides a hard-wearing, quick drying finish. The varnish is suitable for all woods. It is resistant to heat, knocks and diluted acids. Water-based formulation.Select Option Gloss 250mlGloss 500mlMatt 250mlMatt 500mlSatin 250mlSatin 500ml Add to Basket Quantity