TRUPATCH is a commercial grade, multi-purpose latex compound to be mixed with Portland cement, for patching low areas and other irregularites on your tennis court. Areas deeper than 1/4" should be patched in multiple lifts, not to exceed 1/4". Add 1 part portland cement to 5 parts TruPatch. Yield: 100 square feet of patches (1/8" deep) per 5 gal. pail.