The Arc Rapid Sand and Cement mix is ideal for internal and external repairs to steps and window sills, pointing brick and stone, setting posts and sanitary ware, repairs to ponds and pools, and the bedding and patching of paths, patios, and blocks. It fills holes up to 150mm in one application. Easy to use, just add water. It sets in 30 minutes, repairing concrete, stone, and brick. It's suitable for patching steps and kerbs, and repairing window sills and ponds. The product comes in a 5kg size.