Rust-Oleum OK931 Multi-Surface Water-Repellant Sealer, 1-Gallon

Use to waterproof brand-new or weathered wood, concrete, brick, masonry, canvas and other porous surfaces. Water repellency meets level required by Federal Specifications. 100-percent clear. Allows natural wood color to show through and gray naturally. Contains UV absorber to retard fading of canvas and fabric. Paintable and stainable. Helps topcoats last longer and cover easier. One gallon will cover approximately 150 sq. ft, depending on age of wood, surface porosity and method of application. Rough or weathered surfaces will absorb more.