Blackfriars 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: 14m² per litre. Touch Dry: 2-4 hours. Hard Dry: 3 days. Recoatable: 16 hours. Blackfriar Polyurethane Varnish P45 Medium Oak Gloss 500ml