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Varathane Ultimate Gloss Clear Oil-Based Spar Urethane 1 gal

Varathane Ultimate Gloss Clear Oil-Based Spar Urethane 1 gal

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Varathane Ultimate Gloss Clear Oil-Based Spar Urethane protects outdoor wood surfaces with a crystal-clear, high-gloss finish that brings out the natural grain while standing up to…

Varathane MPN 9231
Sold Locally Only

This product isn’t sold on our website — see your local hardware store.

Typical Store Price i
Typical store price: low $50.99, average $59.99
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About Product Overview

Varathane Ultimate Gloss Clear Oil-Based Spar Urethane protects outdoor wood surfaces with a crystal-clear, high-gloss finish that brings out the natural grain while standing up to sun and weather. This 1-gallon can is engineered for exterior use, delivering durable protection that keeps decks, fences, siding, and outdoor furniture looking great year after year. Designed for outdoor performance, this spar urethane uses an oil-based formulation that forms a protective layer capable of expanding and contracting with wood as temperatures and moisture shift. The result is a reliable barrier against UV exposure and the elements, helping to preserve color and integrity without dulling over time. Key features
  • Coverage: 380–760 sq ft per gallon depending on porosity and application method
  • UV resistant for outdoor exposure, helping protect wood color and finish
  • Clear gloss finish that enhances natural wood grain
  • Oil-based formula with brush-on application
  • Time before recoating: 8 hours
  • Full cure time: approximately 3 days
  • VOC level: 444 g/L
  • Outdoor use; container size: 1 gallon
  • Base type: Oil-based; Color family: Clear
  • Product type: Spar urethane; Sub-brand: Ultimate
Why this matters - For exterior wood, this finish stays clear and glossy while providing long-lasting protection against sun, moisture, and changing weather, helping your wood surfaces look newer longer. - The brush-on format makes it easy to apply to a variety of outdoor projects—from porch boards and railings to garden furniture and siding—without special tools. - With a practical 8-hour recoat window and a full cure within days, you can move quickly on larger outdoor projects and return to use sooner. Ideal applications - Exterior decks, fences, siding, outdoor trim, and outdoor furniture - Wooden docks or coastal installations that need UV protection and flexibility - Any clear, glossy finish required on outdoor timber where grain and color depth matter Practical notes - Use as directed on exterior wood projects to maximize visibility of the natural grain and achieve a durable gloss finish that withstands routine outdoor use. - Plan for multiple coats in outdoor settings to build a robust protective layer; allow the recommended 8-hour recoat interval and expect full cure within about 3 days for best results.

The Details Specifications

Special Handling Special handling and shipping requirements apply.
Non-Returnable This product cannot be returned. All sales final.
Brand Varathane
SKU 12568
UPC 026748009235
Unit OZ
Case Pack Quantity 2 per case
Retail Unit Quantity 2
Unit of Measure 0 0
Dimensions (L × W × H) 14 × 7 × 8
Weight 17 lbs
Cubic Feet 0.23982 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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