Perhaps you want a new concrete floor for your garage but you don t want the expense of having the existing floor removed.
Can concrete be poured on existing concrete.
Steps involved in pouring concrete over existing concrete slab step 1.
For instance surfaces with larger cracks heaving or settling conditions or where height cannot be raised replacement is a better solution.
Concrete over concrete by.
Pouring concrete over an existing concrete driveway or sidewalk the same principles as above apply to pouring concrete over an existing concrete driveway or sidewalk.
Choose a coarse aggregate concrete when pouring thicker slabs.
Cleaning old concrete surface.
When i say bond the concrete you are lying on top off needs to be a rough finish like scabbled.
However in most cases you can pour a new layer of concrete onto the existing one.
There are situations when pouring new concrete isn t the most suitable option.
Concrete surface suffers from wearing and damages over time disregard of its strength.
It is a good option if you need to fill a large area with something thick that will last a long time.
This type of concrete is stronger but less dense so you can safely pour a large slab onto existing concrete.
Sweeping dirt s debris over the existing concrete slab will allow bonding to take place.
Whatever the reason you can pour a new concrete floor over existing concrete doing this will save you both time and money.
Pouring concrete over existing concrete sidewalk or patio surfaces is an option if the existing base is structurally sound.
New concrete is commonly poured over old concrete which may have been damaged for any reason for repairing purpose.
You need to start with a clean surface and ensure a proper bond to create a new concrete surface that lasts.
Coarse concrete has gravel or larger stones as an additive.
You could drill holes into the existing concrete surface and insert steel pins and then the mesh on top.
This includes removing sand dead leaves and gravel.
You just have to consider the added height.
Engineer if you are laying pouring concrete over existing concrete there needs to be a bond.
You can if the concrete is sound solid with minor cracks pitting scaling surface damage or just plain ugly.