The best varnish does not exist yet,” said Italian Enrico Zaccagni, project manager of many classic boat restorations. “It is always a compromise and a personal choice.” That personal choice comes down to a number of factors: the application, the prevailing climatic conditions, the time available, the number of people involved, the timber species, and the area of the vessel being coated (exterior brightwork, spars, interior); and then, once the work is done, the environment in which the boat will spend its time, whether it will be practical to keep the varnished areas covered to protect them from the elements, and how long it will be before the owner wants to, or is able to, recoat it. “And very often it is a question of finding a product you like…