ARDEX Overhead Vertical Patch is a trowelable Portland cement-based finishing compound used to fill and smooth interior and exterior overhead and vertical concrete surface defects such as spalls, gouges, cracks, dents, chips, bug holes, honeycombs - any type, size or shape of surface defect that needs to be filled and smoothed before coating. For use on pre-cast, poured-in-place concrete panels, tiltup walls, or any other vertical or overhead concrete or masonry surfaces prior to sealing or painting. Coverage: 133 sq. ft. per bag at 1/16” 66.6 sq. ft. per bag at 1/8” 33.3 sq. ft. per bag at 1/4”. When skimming over smooth concrete, coverage is approximately 300 sq. ft. per bag. Stocked in 20-lb bags.