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A can of Varathane Triple Thick Spar Urethane 3X exterior wood finish, featuring a white, green, and orange label with a silver metal lid, shown on a solid white background.
A can of Varathane Triple Thick Spar Urethane exterior and interior wood finish, featuring a white, green, and orange label on a clean white background.
A 16 oz can of Varathane Triple Thick Spar Urethane 3X clear satin exterior and interior wood finish, shown on a clean white background.
A can of Varathane Triple Thick Spar Urethane 3X exterior wood finish, featuring a white, green, and orange label with a silver metal lid, shown on a solid white background.
A can of Varathane Triple Thick Spar Urethane exterior and interior wood finish, featuring a white, green, and orange label on a clean white background.
A 16 oz can of Varathane Triple Thick Spar Urethane 3X clear satin exterior and interior wood finish, shown on a clean white background.

Varathane Triple Thick Spar Urethane Quart

A can of Varathane Triple Thick Spar Urethane 3X exterior wood finish, featuring a white, green, and orange label with a silver metal lid, shown on a solid white background.

Varathane Triple Thick Spar Urethane Quart Gloss 398914

SKU: 398914-RBOX

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$62.70 Box of 2 $31.35 ea
A 16 oz can of Varathane Triple Thick Spar Urethane 3X clear satin exterior and interior wood finish, shown on a clean white background.

Varathane Triple Thick Spar Urethane Quart Satin 398916

SKU: 398916-RBOX

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$62.70 Box of 2 $31.35 ea
A can of Varathane Triple Thick Spar Urethane exterior and interior wood finish, featuring a white, green, and orange label on a clean white background.

Varathane Triple Thick Spar Urethane Quart Semi-Gloss 398915

SKU: 398915-RBOX

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$62.70 Box of 2 $31.35 ea

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Varathane Triple Thick Spar Urethane offers superior outdoor wood protection with a pristine, crystal-clear finish. The high-build, self-leveling formula delivers exceptional durability in a single application, cutting project time by up to 75%. Built-in UV inhibitors minimize color fading while mold and mildew resistance keeps finishes looking fresh in wet climates.

This low-odor, water-cleanup urethane works on exterior surfaces including railings, patio furniture, trim, and boats above the waterline, as well as interior spaces like window frames and doors exposed to moisture or sunlight. 

  • Complete projects 3X Faster*
  • Mold & mildew resistant**
  • Excellent UV & water protection
  • For stained or bare wood
  • Soap and water cleanup

*Varathane Triple Thick Spar Urethane is 3X thicker than Varathane Ultimate Water-Based Spar Urethane. Only one coat is needed, allowing you to finish projects 3X faster. 
**This product contains a mildewcide to prevent the growth of mold and mildew on the paint film only.
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Varathane Triple Thick Spar Urethane Quart

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