Product Description For wood exposed to the elements, Ronseal Yacht Varnish flexes with the movement of the wood, resisting cracking, peeling and blistering. The weatherproofing formula protects the wood from damaging UV rays whilst waterproofing to prevent water damage. Durable and long lasting. Refreshes previously stained wood. Superior UV Protection. Resists cracking, peeling and blistering. Professional high quality traditional varnish.