Abstract: An improved material for finishing athletic court, commercial, and residential floor surfaces of wood, linoleum, terrazzo, concrete, or other smooth surface includes at least one elongated sheet having a layer of a uniform flexible film of clear plastic material of between about 1 mil and 25 mils thickness and a continuous layer of adhesive material releasably adhering the flexible film onto the floor surface. The elongated sheet is provided in a self-adhesive roll and is applied to the floor surface by unrolling the sheet from the roll, with the adhesive side down, aligning an end portion on a predetermined corresponding portion on the floor, and pressing the total length of the sheet against the floor to adhere the sheet to the floor surface. Additional sheets may be unrolled successively, with a slight overlap to assure an sealed joint.