Can you use an angle grinder on concrete?

Can you use an angle grinder on concrete?

Angle grinders are one of the most versatile tools in the concrete contractor’s arsenal. The tools originally were designed for grinding down and smooth out metal welds by tipping the rotating blade at an angle. This process also works well with concrete, especially for removing stubs or seams.

How do you grind down high spots on concrete?

For a small job, rent an angle grinder equipped with a diamond grinding wheel ($50 a day or less). It’s the perfect tool for taking down just a few high spots or tough-to-reach areas near walls. Be sure the one you rent comes with a means of attaching a vacuum to suck up the dust.

How much does it cost to grind a concrete floor?

The cost to grind a concrete floor is $1 to $4 per square foot. Grinding or sanding concrete removes adhesives and curing agents, opens up the pores, removes the smooth look, and flattens the surface. Then, polishing hones the surface to a shine for $2 to $6 per square foot.

Can you smooth out concrete after it dries?

Sand the Surface and Wash the Concrete Finish by fine-tuning with light sandpaper, until the surface is perfectly smooth. We recommend using a hand planer to smooth and compact the surface. If the concrete dries a lot then we recommend that you add water to the surface, this will help you give it a good finish.

What is grinding floor?

Grinding removes paint, epoxies, dirt and other remnants left on the concrete. The grinder rubs against the top layer of the floor leaving a smooth surface.

How long does it take to grind concrete?

To give you some perspective, a standard garage for a grind and seal takes approximately two days for concrete grinding. A house that has around 100m2 of full exposure and polish takes about five to six days.

Can you grind concrete down 1 2?

You rent a concrete saw and do 1/2″ kerf cuts then chisel it out with an air hammer. Then grind it flat. There are no magical pro tools that make this any easier other than the concrete saw. There’s only sweat, noise, vibration, dust, and a bottle of Advil.

How do you cut a concrete slab by hand?

Use your dominant hand to grip the back handle and push the blade forward and backward. Begin cutting at the edge of the concrete and slowly follow the chalk line. Don’t press the blade into the ground—let the weight of the blade and saw do the work. Remove the blade every 30 to 45 seconds to avoid overheating.