10 Best Spar Varnishes 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Rust-Oleum 207008 Marine Spar Varnish 1-Quart is the one of the Best Spar Varnish on the market.

Rust-Oleum 207008 Marine Spar Varnish 1-Quart – Best Overall Spar Varnish

Rust-Oleum 207008 Marine Spar Varnish 1-Quart
  • Ideal for use on exterior wood surfaces above the water line, including trim, railings and wood furniture
  • Oil-based formula expands and contracts with changing weather conditions
  • Dries to the touch in 2 hours and covers up to 150 sq ft
  • Durable coating provides excellent resistance to UV, salt and mildew
  • Crystal-clear varnish leaves a beautiful gloss finish with maximum protection
  • UV resistant
  • Salt and mildew resistant
  • Expands and contracts with changing weather conditions
  • Twice as durable as conventional wood finishes
  • This item is not for sale in Catalina Island

Epifanes Clear Varnish (1000 ml) – Best under $50

Epifanes Clear Varnish (1000 ml)
  • World famous, highest quality traditional tung oil marine spar varnish. Dry time at 65 degree Fahrenheit: Dry in 12 hours, recoatable in 24 hours
  • Formulated with tung oil, phenolic and alkyd resins resulting in a finish that has superior flow, gloss, durability, and exceptional longevity.
  • UV filters for superior protection with an ultra high gloss finish
  • Used in many applications, both exterior and interior, household or marine, brushed, sprayed, or rolled and tipped.
  • Use on new wood or restoring old wood to a deep clear finish, softwood or hardwood, marine or household applications.

Minwax 63205444 Helmsman Spar Urethane – Best Budget Spar Varnish

Minwax 63205444 Helmsman Spar Urethane
  • Contains UV blockers to reduce the sun's graying and fading effects.
  • Forms a protective barrier against rain and moisture.
  • Special oils allow the finish to expand and contract with the wood as seasons and temperatures change.
  • Ideal for use on doors, windows, trim, bathroom cabinets, bar tops, kitchen countertops, outdoor furniture.
  • Crystal clear finish is ideal for use over light-colored woods and stains. Dries quickly. For easy clean-up use mineral spirits or paint thinner.
  • Contains UV blockers to reduce the sun's graying and fading effects

OLD MASTERS 92304 Spar Marine Varnish

OLD MASTERS 92304 Spar Marine Varnish
  • This product adds a great value
  • Can be used on interior windowsills and door frames for added ultra violet protection
  • UV absorbers for advanced sun protection

TotalBoat Gleam Marine Spar Varnish (Clear Gloss Quart)

TotalBoat Gleam Marine Spar Varnish (Clear Gloss Quart)
  • Classic marine spar varnish containing Tung Oil, phenolic resins, and UV inhibitors. Imparts a beautiful, transparent amber finish.
  • Ideal amber clear coat wood finish for interior and exterior surfaces, especially where moisture and UV resistance is important
  • Easy-to-use, self-leveling formula dries quickly. Recoat in as little as 1 hour @ 72°F, and apply up to 3 coats in 1 day. Medium build per coat. Scuff and overcoat to build depth and gloss.
  • Perfect for boats, doors, bar tops, and indoor/outdoor furniture.

MCCLOSKEY 6539 Sc Mow Spar Gloss

MCCLOSKEY 6539 Sc Mow Spar Gloss
  • Resistant to water and UV
  • For wooden boats, furniture and fences
  • For bare, stained previously varnished surfaces
  • For high moisture areas such as bathrooms and kitchens
  • Clean up with mineral spirits

McCloskey/Valspar Spar Varnish – Premium Pick

McCloskey/Valspar Spar Varnish
  • Maximum U.V. Protection/Extra protection from sun and weather
  • Use on interior and exterior wood surfaces to protect and beautify for years to come
  • Water Resistant/Prevents Weather Damage - Clear Satin Finish
  • Use on hand rails, Wood outdoor furniture, Interior window sills and frames, Planters, Lamp posts, Wood trim on boats (above water line)
  • EPA banned in AK, CA, CT, DC, DE, HI, IL, IN, MA, MD, ME, NH, NJ, NY, OH, PA, RI, VA

MCCLOSKEY 7509 Mow Spar Varn Gloss

MCCLOSKEY 7509 Mow Spar Varn Gloss
  • Built to resist weathering
  • Resists salty air and water
  • Great for use on boats
  • Use on outdoor furniture, fences and trim
  • Maximum UV protection

Man O' War Spar Varnish

Man O' War Spar Varnish
  • Superior outdoor finish
  • Extra protection from sun & weather
  • Ideal for entry ways, garage doors & sills
  • Approx. coverage: 300-500 sq.ft. per gallon
  • VOC formula

MCCLOSKEY 6505 Voc Mow Spar Satin

MCCLOSKEY 6505 Voc Mow Spar Satin
  • Protects and beautifies wood
  • For interior and exterior surfaces
  • Remains flexible
  • Resists ocean salt spray
  • Maximum UV protection

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