What tool do I need to break up concrete?

Jackhammer
Jackhammer. If you have a massive slab of concrete that is thicker than a few inches, working with a jackhammer is your best bet. The tool can break up the material by using a high-powered pointed chisel.

Can you break concrete with a chisel?

A cold chisel is the right hand tool for breaking up small areas of concrete. Demolishing concrete is a heavy-duty task that calls for heavy-duty tools. These situations call for the use of a cold chisel. This small, pointed piece of metal can make precision cuts in concrete when used properly.

Will a jack hammer break concrete?

Heavy-duty pneumatic jackhammers (30kgs+) are used widely in construction for jobs like breaking up concrete footings around fence posts; demolishing roads and pavements, and for breaking down boulders and large concrete slabs.

How do you break concrete into gravel?

Strike the slab with a sledge hammer about 12 inches from the point where the pickax touches the underside of the slab. Do this repeatedly, and after a short time the slab will break up into small pieces.

How do you break up 4 inch concrete?

Start to break the concrete, starting six inches from the edge and working your way in. For slabs less than four inches thick, use a sledgehammer. For more than four inches thick, use a demolition hammer.

Can you use a wood chisel on concrete?

While you can use a cold chisel for masonry work, it is easier to cut into stone, concrete or brick with chisels especially designed for that purpose. For making round holes in concrete or stone, use a star drill. This tool has a long hexagonal handle, and a cutting bit is in the shape of a cross or four-pointed star.

How many joules do you need to break concrete?

At 27 joules, it can be used for breaking light (thin) concrete, crumbling rocks as well as some brick work. 15kg Jackhammer: This jackhammer is the most common choice for contractors. The little bit of extra weight comes with increased joules at 33.8.

How do you bust concrete by hand?

Instructions

1. Dig Under the Concrete. Dig out the soil, gravel, or other material from under the concrete, using a shovel and a pickax or mattock.
2. Strike the Concrete. Lightly sprinkle the concrete with water to minimize dust.
3. Pry Off Stubborn Pieces.
4. Move the Concrete Chunks With a Hand Truck.