System Three Marine Spar Varnish is a high-build urethane coating designed for marine epoxy and exterior wood surfaces such as railings, doors or any surface where a clear, durable finish is desired. System Three Marine S...

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System Three Marine Spar Varnish is a high-build urethane coating designed for marine epoxy and exterior wood surfaces such as railings, doors or any surface where a clear, durable finish is desired. System Three Marine Spar Varnish contains state-of-the-art UV absorbers, which will keep wood looking beautiful even with constant exposure to strong sunlight. System Three Marine Spar Varnish is also resistant to scratching and marring, as well as many cleaners and solvents.



  • Premium Varnish: Our marine varnish is a high-build coating designed for use as a marine epoxy and exterior wood varnish on surfaces like railings, doors or any surface where a clear, durable gloss finish is desired
  • Features: Formulated to provide exceptional exterior durability for the most demanding environments, this spar varnish contains state-of-the-art UV absorbers designed to keep wood looking beautiful even with constant exposure to strong sunlight
  • Versatile Application: Use a high-quality, natural bristle varnish brush to apply the varnish to boats, outdoor furniture or doors
  • Tips and Tricks: Our spar urethane varnish is resistant to scratching and marring; You can spray varnish after taking proper precautions and by applying proper techniques
  • For Best Results: Weather conditions or sudden drops in temperature will affect any varnish; Do not apply before morning dew has dried, and stop well before dusk
  • Premium Varnish: Our marine varnish is a high-build coating designed for use as a marine epoxy and exterior wood varnish on surfaces like railings, doors or any surface where a clear, durable gloss finish is desired
  • Features: Formulated to provide exceptional exterior durability for the most demanding environments, this spar varnish contains state-of-the-art UV absorbers designed to keep wood looking beautiful even with constant exposure to strong sunlight
  • Versatile Application: Use a high-quality, natural bristle varnish brush to apply the varnish to boats, outdoor furniture or doors
  • Tips and Tricks: Our spar urethane varnish is resistant to scratching and marring; You can spray varnish after taking proper precautions and by applying proper techniques
  • For Best Results: Weather conditions or sudden drops in temperature will affect any varnish; Do not apply before morning dew has dried, and stop well before dusk

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