Drylok Fast Plug Hydraulic Cement, 4 lb. Pail is a fast-setting waterproofing hydraulic cement designed to stop the flow of water in just 3 to 5 minutes, even under pressure. It effectively seals holes and cracks in masonry, making it i for repairing floor and wall joints as well as settlement cracks in masonry walls. This versatile cement also anchors metal to masonry surfaces. For results, mix three parts Drylok Fast Plug with one part water to create a putty consistency, and only prepare enough for immediate use due to its quick setting time. One pound covers approximately 12 cubic inches of patching material. The product is alkaline when it comes into contact with water and appears as a gray-tan powder. Once set, it can be painted with Drylok oil-based masonry waterproofer, latex-based Drylok masonry waterproofer, latex-based floor paint, or Drylok cement paint. Model Number: