How To Repair Crumbling Concrete Sidewalk?

How To Repair Crumbling Concrete Sidewalk? You can fix small sections like these, as well as spalling that’s less than 1⁄4-inch deep and in just a few spots, using a concrete patch product, such as Quikrete’s Vinyl Concrete Patcher. Simply mix, trowel, and smooth Vinyl Patcher over the damaged areas to create a new level