Best Exterior Urethane

Peter | 27-12-2025

Searching for the best Best Exterior Urethane from top brands like Varathane,Rust-Oleum,Spartan Epoxies by Fierce Brands, but unsure where to start? We’re here to help. After extensive research, we’ve selected the top Best Exterior Urethane and also created a buying guide to assist you in choosing the right one.

We evaluated and tested numerous top-rated products to compile this list of standout Best Exterior Urethane. Our top recommendation is Varathane Best Exterior Urethane because of its unmatched performance, quality, and value. However, we have more great options below if you want to explore further. Check out our buying guide as well for expert tips on selecting the ideal Best Exterior Urethane to suit your needs and budget. With our research backing you, finding your perfect match will be easy.

Editor's Choice
Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Dark Walnut
Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Dark Walnut
Premium Pick
Rust-OLEUM 9332 Varathane Gallon Satin Exterior Spar Urethane
Rust-OLEUM 9332 Varathane Gallon Satin Exterior Spar Urethane
Budget Pick
Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Kona
Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Kona

Top 10 Best Exterior Urethane

We researched and compared the top products in the Best Exterior Urethane category to provide you with these recommendations.

1. Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Dark Walnut

Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Dark Walnut
9.8

Varathane

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  • Use on railings, furniture, trim, boats (above the waterline)
  • Covers up to 90 sq. ft.
  • Achieve a deep, rich color from a premium formulation that gives a semi-gloss finish to protect from the elements
  • Deeper color, additional coats may be applied
  • Aids in protecting outdoor wood from damage

2. Rust-OLEUM 9332 Varathane Gallon Satin Exterior Spar Urethane

Rust-OLEUM 9332 Varathane Gallon Satin Exterior Spar Urethane
9.5

Rust-oleum

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  • The product is Gallon Sat EXT VOC Finish
  • Elegant and smooth finish
  • The product is manufactured in United States
  • Varathane Gallon Satin Exterior Spar Urethane
  • Oil-based formula made with premium quality
  • UV and weather resistant
  • To be applied to outdoor wood projects
  • Both self-leveling and fast drying formula

3. Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Kona

Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Kona
9.1

Varathane

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  • Use on railings, furniture, trim, boats (above the waterline)
  • Covers up to 90 sq. ft.
  • Achieve a deep, rich color from a premium formulation that gives a semi-gloss finish to protect from the elements
  • Deeper color, additional coats may be applied
  • Aids in protecting outdoor wood from damage

4. Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Sandstone

Varathane Semi-Gloss Water-Based Exterior Spar Urethane, Quart, Sandstone
8.9

Varathane

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  • Use on railings, furniture, trim, boats (above the waterline)
  • Covers up to 90 sq. ft.
  • Achieve a deep, rich color from a premium formulation that gives a semi-gloss finish to protect from the elements
  • Deeper color, additional coats may be applied
  • Aids in protecting outdoor wood from damage

5. Rust-OLEUM 242185 Varathane Gallon Clear Semi-Gloss Exterior Premium Spar Urethane

Rust-OLEUM 242185 Varathane Gallon Clear Semi-Gloss Exterior Premium Spar Urethane
8.7

Rust-oleum

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  • The product is Gallon CLR SG EXT Finish
  • Elegant design and Finish
  • The product is manufactured in United States
  • Varathane Gallon Clear Semi-Gloss Exterior Premium Spar Urethane
  • Oil-based formula
  • UV and weather resistant
  • Apply to outdoor wood projects
  • Self-leveling and fast drying formula

6. Protective Urethane Coating for Concrete Floors, Industrial Grade, 2 Component, High Gloss, 43%

Protective Urethane Coating for Concrete Floors, Industrial Grade, 2 Component, High Gloss, 43%
8.5

Spartan Epoxies By Fierce Brands

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  • HIGH GLOSS AND SMOOTH FINISH: Highly recommended to apply over Spartan's Metallic Epoxy due to it's beautiful smooth, high gloss finish.
  • RETURN POLICY: All sales are final due to safety concerns. Improper packaging during returns can cause leaks and safety risks. Please review product details carefully and contact us with any questions before purchasing.
  • INDOOR AND OUTDOOR USE: Suitable for decorative concrete in both interior commercial spaces like retail stores as well as exterior industrial environments that face weathering and heavy foot traffic.
  • DURABLE PROTECTION: With a high 43% solids content, Versatek provides exceptional durability and UV stability to protect concrete surfaces from wear and weathering for years.
  • COLOR CUSTOMIZATION: Versatek's tintable formula enables creative control over the final appearance, so the concrete surface can be painted to coordinate with any architectural design or branding colors.
  • SMOOTH HIGH GLOSS FINISH: Apply over our Metallic Epoxy to acheive a beautiful, smooth, high gloss finish.
  • EASY TO APPLY: Mix part A and part B, then simply dip and roll using a high quality 3/8" nap roller cover.
  • STAIN-RESISTANT FINISH: Its glossy, chemical-resistant finish makes Versatek ideal for high-traffic areas as it shields concrete from spills, dirt, and other stains that can damage ordinary sealers.
  • VERSATILE APPLICATION: This 2 component urethane can be applied directly over bare concrete, cement overlays, and many Spartan Epoxies coating systems.

7. 1 Gal Clear Varathane Water-Based Exterior Wood Spar Semi-Gloss Urethane 250131

1 Gal Clear Varathane Water-Based Exterior Wood Spar Semi-Gloss Urethane 250131
8.3

Varathane

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8. Varathane 242180H 1 Quart Crystal Clear Spar Urethane Exterior Oil Based Gloss2

Varathane 242180H 1 Quart Crystal Clear Spar Urethane Exterior Oil Based Gloss2
8

Rust-oleum

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  • Diamond Spar Urethane
  • Professional Results
  • No Brush Strokes
  • Ultimate Protection

9. Varathane 242183H 1 Quart Crystal Clear Spar Urethane Exterior Oil Based Satin

Varathane 242183H 1 Quart Crystal Clear Spar Urethane Exterior Oil Based Satin
7.9

Rust-oleum

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10. Exterior Spar Urethane Finish, Oil-Based, Clear Gloss, 1-Qt.

Exterior Spar Urethane Finish, Oil-Based, Clear Gloss, 1-Qt.
7.7

Varathane

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  • Made in United States

Peter

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