Or use a hammer and cold chisel to chip out a notch right next to the floor so the flat end of the digging bar can get a grip underneath the pad. If you can establish a catching point, place a 2×4 3–4 inches away from the edge and use it as a fulcrum to lift the pad.

How do you remove a concrete pad?

Steps for Removing a Concrete Slab

  1. Step 1: Create a Void Under the Concrete. The best way to speed up concrete removal is to create a void underneath the section of slab you’re working on. …
  2. Step 2: It’s Hammer Time. …
  3. Step 3: Pull Apart and Remove the Broken Concrete. …
  4. Step 4: Repeat Steps Until Concrete Is Demolished.





How do you remove concrete from a basement?

Quote from the video:
Quote from Youtube video: So the hardest part of this whole situation is to make the initial hole. Once you've got somewhere where the concrete to break off to it's a lot easier.

What tool do I need to break up concrete?

jackhammer

If your slab is around four inches or greater, you’ll need a heavy-duty breaker to smash through the concrete. This tool is more commonly known as a “jackhammer.”

What causes hump in concrete floor?





A foundation upheaval is usually responsible for bumps that appear gradually in a concrete slab floor. In most cases, this happens when there is a plumbing leak. When clay absorbs water, it tends to expand which exerts an immense force on the concrete floor causing a mound or bump.

Can I remove concrete myself?

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.

How do you remove concrete without a jackhammer?

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.


How do you remove concrete from a floor?



Quote from the video:
Quote from Youtube video: Work in rows making sure not to leave gaps in between you don't want to leave any ridges of thin-set. Left behind on the concrete. You can usually tell by the feel of the chisel.

How do you open a concrete basement floor?

Quote from the video:
Quote from Youtube video: Um but it's a lot smaller than a jackhammer it's like 21 pounds as opposed to 30 40 50 pounds for a jackhammer did great did the work to bust open this floor two inches of concrete.

How do you Repour a basement floor?

Quote from the video:
Quote from Youtube video: To allow for the new radon rock that's now by code required to be put into two basements once the radon rock is is is put in and we put in poly. And then rebar and then a new slob.

How do you remove high spots from concrete?



Start grinding on the crown of the high spot and work your way toward your marks. When you feel you’ve made progress, use the straightedge again to check for flatness. Retrace the high spots and grind them down. Repeat this grind-and-check process until the high spot is gone.

How do you fix a bulging floor?

As mentioned, weather and moisture are the most culprits of buckling wood floors. If the buckling is minimal, you can try drying the damaged area and see if it returns to its normal shape. You can also try putting a little pressure or a heavy object on top of the buckled wood to settle it back to its place.

How do I keep my concrete from bulging?

Using modular steel formwork is the only way to go if you want to reduce chances of concrete bulging. Steel formwork is combined with any number of support and anchoring systems to create a straight wall.

Can you use a hammer drill to break up concrete?

Hammer drills do not have a chiseling function and can be used to drill into a variety of materials. Rotary hammers use an electro-pneumatic hammer piston to generate high impact energy, which allows it to drill or demolish concrete.

How do you soften concrete?



Water is the most common way of softening concrete and is usually enough by itself to break down older materials. However, water alone may not be sufficient to break down concrete that has hardened over time. Adding other substances such as glycerin or alcohol helps loosen up the mixture.

How do you move a concrete slab without breaking it?

Quote from the video:
Quote from Youtube video: Creating a fulcrum with a metal bar and a concrete block. He's able to raise the slab enough the TC can slide bricks under each corner.

How do you make a slab lifter?

Quote from the video:
Quote from Youtube video: But i open them up take that latch off this glass sits on a little weld bump. And then it's nice when you got a helper.

How do you chisel concrete?

Quote from the video:
Quote from Youtube video: Hold its handle with the blade facing down. And pick up the hammer with your free hand grasp both instruments firmly. Position the chisel at a close angle with the surface of the wall.

How do you use a jackhammer on concrete?



Quote from the video:
Quote from Youtube video: So what i do is i go in a straight line to break up the slab so you're gonna see me go right across the front of the slab in a straight line.

Can you use a jackhammer upwards?

Typically rocking the jackhammer itself side to side, or up and down, will release the bit. In some cases you can remove the jackhammer from the bit, the then tap the bit side to side using a mallet.

Do you have to be strong to use a jackhammer?

While they are amazingly useful, they’re also somewhat difficult to use. Using a jackhammer is not for the faint of heart. It isn’t something that you’ll be able to get and learn how to use immediately. Many areas require jackhammer operators to undergo training and certification before they’re allowed to use one.