An alkyd zinc phosphate anticorrosive primer for use on steelwork for canal boats and leisure craft. Applied by brush or spray, this is an ideal metal primer for finishing with Rylard Undercoat and Rylard Plus Enamel. Formulated as part of the total Rylard system, it contains zinc phosphate anticorrosive pigmentation to give a high level of protection and adhesion to steelwork. It is available in Light Grey