How to make your own concrete floor leveling slurry

Written by parker hotchkiss | 13/05/2017
How to make your own concrete floor leveling slurry
Professional grade cement mixer. A 22.5 litres (5 gallon) bucket and power drill will usually suffice. (cement mixer image by Joann Cooper from

A concrete floor levelling slurry is a simple mixture of a concrete mix and water. It is a soupy mixture that is often used to fill in spalling in concrete floors, or to level out a sloped or recessed area in concrete. It is very easy to mix and use.

Measure out the area that will be covered with the concrete slurry. The dimensions obtained are vital in determining exactly how much slurry will be needed for your project. For example, a 22.7 kg (50 lb) bag of Quikrete Self-Leveling Floor Resurfacer will yield enough slurry to cover 2.3 square metres (25 square feet) at 6 mm (1/4 inch) depth. Some simple math may be required if your area is deeper or on an incline.

Consult the directions on your brand of self-levelling concrete mix, and determine the ratio of mix and water to be used in the slurry. For small repairs, a 22.5 litre (5 gallon) bucket will be enough for a 22.7 kg (50 lb) bag of mix, but this can be increased as needed.

While adding the dry mix into the water, stir the slurry with a mechanical stirring device. This may be a semi-automatic device for small-scale production, or even a drill with a mixing attachment. Again, follow instructions on the package to see how long and at what speed the slurry should be mixed for optimum consistency.

The mixed slurry may now be utilised in your project. Whether it be for filling spalling in a concrete floor, levelling out a gradation, or repairing cracks, a concrete floor levelling slurry is an easy way to make repairs on your own.

Things you need

  • Measuring tape
  • Self-levelling concrete mix
  • Water
  • Mixing container
  • Mechanical stirring device

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