General purpose marine sealant and adhesive. The 3M 4200 FC forms watertight and weather
resistant seals which are suitable for above and below waterline applications. Once dry, the
sealant can be painted and sanded where needed.
This white polyurethane paste is supplied in a 310ml tube and is suitable for use with wood,
fibreglass, gel coat, plastics and metal. Some examples of marine use includes rub rails, stern
joints, deck and through hull fittings and access plates, as well as many other interior and exterior