When i say bond the concrete you are lying on top off needs to be a rough finish like scabbled.
Can concrete be poured on existing concrete.
One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
Perhaps you want a new concrete floor for your garage but you don t want the expense of having the existing floor removed.
New concrete is commonly poured over old concrete which may have been damaged for any reason for repairing purpose.
This includes removing sand dead leaves and gravel.
You need to start with a clean surface and ensure a proper bond to create a new concrete surface that lasts.
You could drill holes into the existing concrete surface and insert steel pins and then the mesh on top.
However this approach is not suitable option unless the existing concrete is in good shape structurally.
It is a good option if you need to fill a large area with something thick that will last a long time.
For example you may want a new concrete floor in your basement to prevent water seepage.
However in most cases you can pour a new layer of concrete onto the existing one.
Whatever the reason you can pour a new concrete floor over existing concrete doing this will save you both time and money.
Engineer if you are laying pouring concrete over existing concrete there needs to be a bond.
There are situations when pouring new concrete isn t the most suitable option.
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.
Cleaning old concrete surface.
Steps involved in pouring concrete over existing concrete slab step 1.
You can if the concrete is sound solid with minor cracks pitting scaling surface damage or just plain ugly.
You just have to consider the added height.
Coarse concrete has gravel or larger stones as an additive.
Pouring concrete over existing concrete sidewalk or patio surfaces is an option if the existing base is structurally sound.
This type of concrete is stronger but less dense so you can safely pour a large slab onto existing concrete.
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.