Minwax Helmsman Semi-Gloss Clear Spar Urethane, 1 Qt. YardBreather Ventilation: The flood door contains

Ventilation: The flood door contains a 2" styrofoam core that has an R-value of 8

Surface dimensions: 16-1/2" x 15-1/2"

Includes 2 TruClose spring hinges

All metal surfaces treated for corrosion with electrostatically-applied UV-stabilized polyester powder finish

dry areas for crack isolation only)

Minwax Helmsman Semi-Gloss Clear Spar Urethane, 1 Qt. YardBreather Ventilation: The flood door containsVery tough clear wood finish. Resists cracking, checking, peeling, and yellowing. Protects wood from water, salt air, sun damage, and atmospheric pollution. Ideal for patio furniture, exterior doors, bar tops and wooden boat surfaces. Covers approximately 400 500 sq. ft. per gallon.