Mix Trowel-Top polymer-modified cementitious coating with water, then trowel a 1/16-inch-thick layer over existing concrete for a smooth finish similar to polished concrete on floors, walls, or countertops. Stain in place or mix in integral color before application. A 40-pound bag ($60) covers 400 to 500 square feet. Before applying Trowel-Top, the company’s sealing system must be used to seal cracks. Rhino Linings, 866.447.1471, concretesolutions.com

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