3M: Marine Sealant Fast Cure 4000 UV

Resistant to weathering, saltwater, and stresses caused by joint movement. Seals between mechanically fastened joints on wood, fiberglass, metal and most plastics above and below the waterline.

Resistant to weathering, saltwater, and stresses caused by joint movement. Seals between mechanically fastened joints on wood, fiberglass, metal and most plastics above and below the waterline. Applications include sealing deck to hull joints, thru-hull fittings, window and door frames, deck hardware, navigation lights, hatches and porthole frames. It is also paintable.