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International Watertite

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International Watertite is a 2-component quick drying, no shrinkage epoxy filler which can fill gaps up to 20 mm without sagging.  Its formulation, physical characteristics and water resistant properties make it suitable for osmosis damage repairs.

Additional pack sizes are available - please contact us if you would like us to order an option which is not in stock. 


  • International Watertite is suitable for use above and below the waterline including on hulls, smooth and non skid decks, bilge/lockers, exterior and interior cabin/trims
  • Substrates: suitably prepared aluminium/zinc-galvanised steel, cast iron, GRP/FRP, lead, steel, wood
  • Not suitable for aluminium propellers
  • Application method: palette knife or spreader
  • Pot life: 10 minutes to 75 minutes (temperature dependent)
  • Sandable: 1.5 hrs to 12 hrs (temperature dependent)
  • Overcoat time: minimum 1.5 hrs to 12 hrs (temperature dependent)
  • High strength and adhesion properties
  • Water resistant
  • Simple mix ratio
  • Finish/sheen: Matt
International Watertite