UGL DRYLOK Fast Plug Hydraulic Cement, 4 lb – Stops Water Leaks Instantly, Sets in 3-5 Minutes, Ideal for Masonry Cracks, Gray

DRYLOK Fast Plug is a fast-setting hydraulic cement that sets in just 3-5 minutes, preventing water from flowing, even under pressure, through cracks and holes in concrete and masonry structures. It's ideal for sealing floor and wall joints, patching settlement cracks and holes in masonry walls, and anchoring metal to masonry. Similar to mortar, it sets and hardens extremely quickly.