UGL 00917 4Lb Drylok Fast Plug (4 Pack)

Pack of: 4 Use to patch interior or exterior mortar joints, cracks and holes in masonry walls above or below grade,sealing leaks around concrete pipes and drains, chimneys, swimming pools and water fountains Withstands up to 3,050 lb. of hydrostatic pressure Sets within 3 - 5 minutes to stop active water leaks Interior and Exterior use, no topcoat required Expands as it dries to lock in place