When you finish, the concrete slab should look like an extended tic-tac-toe game drawing. Step 3 Break Up Concrete Sections. Use the large sledgehammer or jackhammer to begin breaking the cut sections. This is the back-breaking part of the job; so, take frequent water breaks so that you don't become dehydrated while breaking up the concrete.
With small slabs of concrete, such as patio squares or air conditioner pads, you can also have one person pry up the slab a few inches, using a demolition bar, while another person strikes the slab with the hammer. Prying up the slab has the same effect as digging underneath it.
It might seem like a big job, but removing a concrete slab is something you can do yourself. All you need is some careful planning, the right tools and a little bit of know-how. We’ll show you how to break up the slab into smaller pieces, cut through steel reinforcements, and then remove and dispose of the concrete
The concrete slab will begin to break apart as you strike it with the sledge hammer and your helper continues to apply more and more upward pressure from underneath. When the piece breaks free, remove it from the slab and wedge the pickaxe under the slab again.
2020-8-1 · Tearing up concrete yourself can also save you a ton of money. Hiring a contractor just to demolish a 12 x 14-ft. patio could cost you $1,400 or more. If you do it yourself, the cost to remove a concrete driveway will run you about $400, including rental and disposal. That’s a savings of about $1,000 on the cost to remove a concrete driveway.
Step 6 Undermine Concrete Slabs. Use a process called “undermining” concrete by removing soil beneath the concrete slab. This will allow the concrete to be more easily broken. First use a garden hose to loosen the soil. Then use a shovel under the lip of the concrete. The more soil you remove, the easier the concrete will be to break.
2021-1-8 · Whether you are renovating or repairing, you may be faced with the need to remove an existing concrete slab. Cured concrete is incredibly strong, this is why it is the material of choice to support buildings. Having to break up a concrete slab is very physical work, even if you have access to large machinery and pneumatic hammers to assist you.
2 天前 · 2. Remove the steps, if the porch has them. Hit the steps with the sledgehammer to begin. As with the main section of the porch, the steps will break fairly easily if they're made of concrete blocks.
Scoop out the loose concrete chunks with the shovel and dump them out of the way. Remove all of the loose debris and gravel from the hole. Lift and pull the fence post out of the hole. Have another person assist you if the post is difficult to remove. You can substitute a sledgehammer for