DOW CORNING 78g MARINE SILICONE SEALANT A soft and flexible silicone rubber sealant which fills and caulks gaps, joints and cracks around the boat. It will adhere to glassfibre, metal, sailcloth, glass, paint and varnished wood as well as most plastics. Ideally suited to fill joints where pipes or trunking pass through decks or bulkheads where flexibility is required to ensure a watertight joint. Can also be used to make gaskets for water pumps, exhaust systems, etc, it is heat resistant and is unaffected by immersion in salt or fresh water. 78g Colour:  White / Clear / Black Geocel Is a Trade Name For Dow Corning Click here to view my other items