Rust-oleum 250241H Varathane Satin Exterior Spar Urethane 1 Qt

Product Description

The RUST-OLEUM 250241H Varathane Satin Clear Water Based Exterior Spar Urethane is a waterborne topcoat formulated for exterior wood surfaces exposed to the elements. It delivers a satin sheen and provides durable protection against moisture, UV exposure, and weathering. Coverage runs approximately 400 square feet per gallon over smooth surfaces. The fast-dry formula reaches touch-dry in 1 hour and is ready to recoat in 2 to 3 hours, reducing project downtime. Cleanup requires only soap and water, making it a practical choice for professionals working on exterior wood finishing applications.

This urethane is suited for residential and light commercial exterior wood applications including entry doors, outdoor furniture, and marine surfaces such as boats. Its water-based formula makes it appropriate for use in areas where low VOC content or easier cleanup is preferred over traditional oil-based finishes. It is applied by brush, roller, or spray depending on surface type and project conditions.

Key Features

• Water-based exterior spar urethane with a satin finish
• Covers approximately 400 square feet per gallon over smooth surfaces
• Touch-dry in 1 hour; recoat-ready in 2 to 3 hours
• Formulated for exterior doors, outdoor furniture, and boats
• Soap and water cleanup — no solvents required
• 1-quart unit size for smaller projects or detail work

Compatibility

Designed for use on exterior wood surfaces including doors, furniture, and marine applications such as boats. Suitable for smooth and semi-smooth wood substrates exposed to outdoor conditions.

Installation Notes

Surface preparation is critical — wood should be clean, dry, and free of loose paint, wax, or grease before application. Apply in moderate temperatures and avoid application in direct sunlight or high humidity, which can affect dry times and film formation. Multiple thin coats are recommended over a single heavy coat to build a uniform, durable finish. Follow all local regulations regarding VOC limits and ventilation requirements when applying interior to exterior transition areas.

Technical Specifications

• Finish: Satin
• Formula: Water Based
• Coverage: Approximately 400 square feet per gallon over smooth surfaces
• Dry to Touch: 1 hour
• Recoat Time: 2 to 3 hours
• Container Size: 1 quart
• Weight: 2.33 pounds
• UPC: 00026748250248

Standard Information

• Brand: RUST-OLEUM
• Manufacturer Part Number: 250241H