An applicator having a handle; a shank coupled to the handle; a first wall coupled to the shank; a second wall coupled to the first wall, the second wall being perpendicular to the first wall; a third wall coupled to the second wall, the third wall being parallel to the first wall; and an applying surface coupled to the first, second and third walls. The first wall, second wall and the third wall form a U-shaped channel dimensioned to fit around the bottom of a door having a thickness less than about 2 inches.