Varathane 250041H Water-Based Ultimate Spar Urethane, Quart – Gloss Finish

Crystal-clear protection for exterior wood

Varathane Ultimate Water-Based Spar Urethane coats exterior wood with a transparent, protective layer that helps maintain natural color and texture while standing up to sun and weather. The water-based, low-odor formula cleans up with soap and water, making outdoor touchups more convenient.

What makes it stand out

This spar urethane is designed to deliver long-lasting clarity and enduring protection for outdoor projects. It pairs UV and weather resistance with a non-yellowing finish, so natural wood tones stay vibrant longer while the coat resists mold and mildew when exposed to moisture.

• Durable, protective poly for outdoor surfaces like furniture, doors, windows, fences, trim, and more
• Low odor and easy soap-and-water cleanup
• Dries to the touch in about 30 minutes and covers up to 87 sq ft per quart; recoat after 2 hours
• Weather and UV resistant; non-yellowing protection against mold and mildew
• Crystal-clear gloss finish for a polished, clean look
• Non-yellowing formula designed to keep wood looking great longer
• Outstanding UV and weather resistance with smooth, brush-stroke-free application
• Extra-fast drying option allows multiple coats in a day

How to use for best results

Prepare the surface thoroughly, ensuring it is clean, dry, and free of contaminants. Stir product well and apply in thin, even coats for best results on exterior projects.

• Apply a minimum of four coats for maximum protection on outdoor projects
• Let each coat dry to the touch, about 30 minutes
• Recoat after approximately 2 hours in mild, dry conditions
• Brush cleanly; avoid runs and pooling for a smooth finish
• Clean tools with soap and water after finishing

Real-world uses and feel

Ideal for exterior furniture, doors, windows, fences, and trim, Varathane spar urethane preserves the wood’s natural character while delivering a durable, glossy shield against the elements. The result is a crisp, polished look that remains flexible through seasonal changes.