Use the Kretus line of products for many concrete applications. For concrete repair and patching, the Kretus Easy Patch, a two-part, fast-curing epoxy-based patching material spreads like butter to fill cracks and holes, and also adheres precast cove base. The tintable Kretus Acrylic Sealer gives a stain and sealed appearance in one step. Quest Building Products. 714-738-6640.