Use a sanding block for smaller areas.

How to sand concrete patio. However, your edging needs to allow for water to drain; Continue to pass the orbital over the porch concrete to remove all bumps, hairline cracks, imperfections and to smooth the surface of the concrete to your liking. You can use chalk, string, or tape to mark the area.

We share what tools to use and what mistakes to avoid. This video shows how i repaired a crack in a concrete slab in our patio. Concrete should be reinforced to minimize patio cracking.

Smooth them down, float, towel, screed, and add joints if necessary. Use the whitewood or 2x4s planks to set up the concrete pavers form and then pour the concrete in them. Sweep off the patio (or walkway) surface with a broom to remove any dirt or loose debris;

Below, are the basics of pouring a concrete slab for a patio:. People think that bulk bags of sharp sand are of 1 ton and that’s. Yes, you can sand concrete.

The first step in the process is to clean the surface of the concrete by using a hose. If there are flaws in the concrete, use 80 to 120 grit. First, you’ll need to dig 150mm into the area you have sectioned off for your patio.

I used some quikrete crack sealant from home depot to fill the cracks. This video shares how to safely grind concrete floors. If it’s watertight, your patio could turn into a bowl of water.