Blackfriar Polyurethane Varnish P100 Clear Satin 1 LitreBlackfriars Polyurethane Varnish transforms interior woodwork and gives a tough and durable finish. It gives wooden surfaces new life and enhances the natural shades of wooden floors and furniture. Resistant to knocks, heat and diluted acids. Application Method: Brush and Roller. Coverage: 14m L Coat. Touch Dry: 2 4 hours. Hard Dry: 3 days. Recoatable: 16 hours. Blackfriars Polyurethane Varnish P100 Clear Satin 1 Litre