Varnish and Linseed oil should not be used on the exterior of a hull for waterproofing. If steel is used, a zinc layer is often applied to coat the entire hull. It is a popular material for small boats of e.

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Namespaces Article Talk. Category WikiProject Commons. Woods such as Teak , Totara and some cedars have natural chemicals which prevent rot whereas other woods, such as Pinus radiata , will rot very quickly.