Thoro Waterplug

THORO WATERPLUG® is a one-component, quick-setting, Portland-cement-based hydraulic repair mortar that instantly stops running water through holes or cracks in concrete or masonry. It expands as it sets to lock into place even under constant water pressure. It can be applied underwater. It conforms to NSF Standard 61 for Drinking Water System Components.

WATERPLUG Stops running water instantly. Nonshrinking; expands as it sets and won’t pull away from edges of patch. Will set up under water. Sets fast: 3-5 minutes. Exceptional structural strength. Dry powder form, just add water. Easy-to- mix and put in place; requires no special equipment. Nontoxic when set. Nonmetallic; will not rust out or deteriorate.

Order Code Product Description Packaged Min Order
WATP10 Waterplug 10# 1-Gallon 4/box 1 box
WATP50 Waterplug 50# 5-Gallon Pail per pail 1 pail

Master Emaco N 424 (formerly Thororite /Emaco GP)

How does MasterEmaco N 424 work?

MasterEmaco N 424 is a general purpose, fast-setting, non-sag cement-based repair mortar for small repairs on vertical, horizontal, and overhead surfaces.

Recommended uses:

  • Interior and exterior
  • Vertical and overhead
  • Above and below grade
  • Spalls or holes in concrete
  • Deteriorated edges

What are the unique features of MasterEmaco N 424?

  • Non-sag consistency able to be placed in 1″ (25 mm) thick lifts
  • Fast-setting
  • Only requires the addition of potable water

What are the benefits of MasterEmaco N 424?

  • Can be mixed with MasterEmaco A 660 to increase high-performance properties
Order Code Product Description Packaged Min Order
TRITE60 Thororite 60# Pail (MasterEmaco N 424 or EMACO GP) per pail 1 pail

Sika SikaSet Plug Waterstop

SikaSet Plug is a versatile, fast-setting, portland-cement water-stop.


  •  When mixed with water it becomes a mortar/grout to stop pressure leakage and seepage.
  •  For grouting railings of wood, concrete, and metal.
  •  Use in sewers, wastewater treatment plants, basements, sumps, pools, tunnels, and other applications.


  •  Rapid set time.
  •  Excellent bond to concrete and masonry.
  •  Resists sewage.
  •  Use on the vertical or horizontal surfaces.
  •  Indoor or outdoor applications.
Order Code Product Description Packaged Min Order
SIKAPLUG50 SikaPlug Fast-Set Water Stop 50lb. per pail 1 pail