COMMERCIAL GRADE HYDRAULIC CEMENT

UNIQUE POSTCRETE GROUT/WS® Hydraulic Cement is a commercial grade, fast-setting hydraulic cement blended with proprietary ingredients. It is ideal for non-structural repair offering water-stop and high bond strength with a 3-5 minute set time.


The high early strength hydraulic cement creates a watertight seal, instantly stopping running water or seepage through holes, cracks, and mortar joints in concrete or masonry walls.


UNIQUE POSTCRETE GROUT/WS® Hydraulic Cement can also be used as an anchor cement for bolts, pipes, ornamental iron and many other cement repair needs. It is ready to use and requires only the addition of water before plugging and sealing active leaks.


UNIQUE POSTCRETE GROUT/WS® Hydraulic Cement is easy to use:
  • Mixed with water only
  • Can be Applied by hand, trowel, or plugging technique
  • No special equipment needed

Contact Us Today

Fill out the form below or call us at (800) 441-4880.

UNIQUE POSTCRETE GROUT/WS® Hydraulic Cement Packaging Options


  • 60 lb 5-gallon pails

Applications for UNIQUE POSTCRETE GROUT/WS® Hydraulic Cement

It can be used as an anchor cement for bolts, pipes, ornamental iron and many other cement repair needs. Ready to use, it requires only the addition of water before plugging and sealing active leaks.  

UNIQUE POSTCRETE GROUT/WS® Hydraulic Cement can also be applied underwater, making it highly recommended for these applications:

  • Anchor bolts
  • Pipes
  • Ornamental iron
  • Seats
  • Signs
  • Grout base plates
  • Equipment pads
  • Fill voids
  • Pools
  • Water storage facilities
  • Tunnels
  • Fountains
  • Water channels
  • Ponds
  • Piers

Outperforms Other Hydraulic Cements

A high early strength and the ability to stop water flow even under pressure, while expanding as it sets creates a strong mechanical bond. It is ideal for quick, durable repairs in wet conditions where traditional cement fails.

Sulfate and freeze-thaw resistant, it bonds without a primer and becomes stronger as water tries to penetrate.

  • Non-shrinking / volume stable
  • Non-metallic / non-chloride
  • Non-corrosive
  • Early High bond strength
  • Bonds well to: concrete, brick, block and stone
  • No primers required in most applications
  • Can be top-coated in 24 hours
  • Gets stronger as water tries to penetrate the repair
  • Non-shrink/volume stable/non-chloride
  • Freeze-thaw and sulfate resistant

Request a Quote Today for Our Hydraulic Cement Repair Products

If you’re searching for premium hydraulic cement, look no further. Our POSTCRETE GROUT/WS® Hydraulic Cement and other concrete repair products are sure to provide you with the long-lasting solutions. Request a quote online or contact one of our team members today for more information.

UPM® is a registered trademark of UNIQUE Paving Materials Corp.

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About the author

Becky Dunlavey

With over 10 years of experience, I wear many hats at UNIQUE Paving Materials. In addition to managing our multimedia marketing efforts and coordinating trade shows and regional events, working with the sales and customer service departments has allowed me to gain a multifaceted knowledge of the industry.