Masterseal 590 (formerly called waterplug). A portland-cement-based hydraulic repair mortar.
Waterplug hydraulic cement is a one-component, quick-setting, that instantly stops running water through holes or cracks in concrete or masonry. See data sheet for mixing and application details. Nsf 61 certified for use as patching material up to 10% if the surface area in tanks 50 gallons or greater.
Applications:
non-moving (static) cracks and holes with running water or moisture seepage.
For constant immersion service
for anchoring vertical bolts
pools, spas, fountains, sea walls etc
foundations, basements, underground parking garages
retaining walls, sewers
locations:
interior and exterior
vertical, horizontal, or overhead
above or below waterline (fully hydraulic)
substrates:
concrete & masonry
color:
dark gray
more product information: