A high quality alkyd primer for wood, for the topside painting of canal boats and leisure craft. It is available in White. It is used as the primer for wooden substrates to be finished with Rylard Undercoat and Rylard Plus Enamel, on topsides and interior work on all types of leisure marine craft, including narrow boats, river cruisers and yachts. It gives excellent sealing and filling of solid and ply woods used in boat construction. For interior and exterior use.