This Galva Mate Sealant is a high-performance solvent-free adhesive and sealant specifically designed for sealing high velocity duct work in heating and ventilation systems. Grey in colour, it will adhere to galvanized and stainless-steel surfaces and has excellent slump resistance. The Galva Mate contains a high level of fungicide to prevent mould growth in areas of high humidity, while it remains flexible, and can be painted over when cured. Colour: Grey. Size: 295ml.