This includes removing sand dead leaves and gravel.
Can concrete be poured on existing concrete.
New concrete is commonly poured over old concrete which may have been damaged for any reason for repairing purpose.
However in most cases you can pour a new layer of concrete onto the existing one.
You can if the concrete is sound solid with minor cracks pitting scaling surface damage or just plain ugly.
You could drill holes into the existing concrete surface and insert steel pins and then the mesh on top.
For instance surfaces with larger cracks heaving or settling conditions or where height cannot be raised replacement is a better solution.
Choose a coarse aggregate concrete when pouring thicker slabs.
One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
This type of concrete is stronger but less dense so you can safely pour a large slab onto existing concrete.
However this approach is not suitable option unless the existing concrete is in good shape structurally.
When i say bond the concrete you are lying on top off needs to be a rough finish like scabbled.
Concrete surface suffers from wearing and damages over time disregard of its strength.
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.
Concrete over concrete by.
You just have to consider the added height.
Pouring concrete over existing concrete sidewalk or patio surfaces is an option if the existing base is structurally sound.
There are situations when pouring new concrete isn t the most suitable option.
For example you may want a new concrete floor in your basement to prevent water seepage.
Perhaps you want a new concrete floor for your garage but you don t want the expense of having the existing floor removed.
Coarse concrete has gravel or larger stones as an additive.
Cleaning old concrete surface.
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.
You need to start with a clean surface and ensure a proper bond to create a new concrete surface that lasts.