I have cracks in my driveway. How large a crack will this work on?

Thank you for posting your inquiry. DAP Ready-Mixed Concrete Patch is designed, marketed and labeled for use in minor masonry repair (not as a direct replacement/substitute for dry cement repair products). As indicated on the product package label and supporting product literature: "Used to patch small cracks and breaks, or spot level concrete and masonry surfaces such as basement walls, patios, steps, sidewalks and driveways." and "If area to be patched is deeper than 1/2 inch, apply patch in 1/4-inch layers, maximum depth 1 inch, allowing each application to dry." This product is not recommended for use in applications where it may be subject to standing/ponding water. Should you have any additional questions or require further assistance, please contact DAP’s Technical Customer Service Department at 888-327-8477.