MAY YOU OPEN UP A WASHED OUT CONCRETE FLOOR FIRST WITH A POWER TROWEL?

We regularly get the question of whether you can open a Exposed aggregate concrete with the disk of a Power trowel.

You better not do that. Because by opening up the floor you're going to activate the cement reaction, whereas with a Exposed aggregate concrete you're just going to inject the top layer so that the top layer doesn't harden.

What is the best way to place Exposed aggregate concrete ?

  1. Pour the concrete at the correct height with a laser (take into account any slope)
  2. Level the floor with the lath
  3. Smooth the surface with a bull float
  4. Apply the washout product as soon as possible. Make sure the surface is completely covered.
  5. Allow to work for 12 to 24 hours, depending on temperature
  6. Rinse away the top coat with a pressure washer

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