Generally you ll not be able to remove 30mm from a concrete slab without cracking up the remainder.
Best way to remove concrete slab.
Hiring a contractor just to demolish a 12 x 14 ft.
Dig out the soil gravel or other material from under the concrete using a shovel and a pickax.
That s a savings of about 1 000 on the cost to remove a concrete driveway.
Pry off stubborn pieces.
The water is directed at the concrete at 20 000 psi and 10 to 15 gallons per minute for handheld guns.
Tearing up concrete yourself can also save you a ton of money.
Dig about 1 foot inward.
Patio could cost you 1 400 or more.
If you hire a contractor they will definitely come with more sophisticated tools.
Move the concrete chunks with a hand truck.
Dig under the concrete.
However in the uk at least it s unlikely you re looking at the floor slab but rather the floor screed sharp sand and cement 3 1 used to finish off the floor.
Tools and tips in removing concrete slab start by evaluating repair vs complete removal.
Whether you need to remove a whole slab or a smaller section with the right tools and some elbow grease you ll be able to break up the concrete and clear it out.
A few more.
If you have old cracked uneven or non level concrete slabs on your patio you may be thinking about removing the concrete in order to upgrade your patio.
And this may seem a daunting if not impossible task.
Get the right tools.
In the uk a typical slab might only be 100mm thick.
After that all you have to do is load up the broken concrete and take it to a suitable landfill.
Best way to remove concrete slabs on a patio.
This occurs when part of the concrete is pushed up because of frosting.
Because there is no vibration or impact the surrounding concrete is not prone to bruising microcracking as it is with surface preparation using mechanical devices.