Interlux Interprotect Epoxy Barrier Coat Kit - Gray: Utilizing Interlux 200E to shield your boat's hull from water absorption can prevent costly, long-term damage. This two-part epoxy coating forms a protective layer of microplates to prevent water from penetrating the hull's exterior, both for new and used fiberglass hulls. Interlux Interprotect 200E dries quickly and can be applied within two days.