Sweeping dirt s debris over the existing concrete slab will allow bonding to take place.
Pour concrete over existing concrete floor.
The condition of the existing slab is the primary factor that determines how long the new concrete will last.
Pouring concrete over existing concrete sidewalk or patio surfaces is an option if the existing base is structurally sound.
When we pour concrete floors over existing concrete floors and the new floor is less than 3 inches thick we use a product called weld crete to bond the two floors together.
Steps involved in pouring concrete over existing concrete slab step 1.
The same principles as above apply to pouring concrete over an existing concrete driveway or sidewalk.
Cleaning old concrete surface.
But it could compromise the lifespan of your new concrete surface.
Pouring concrete over an existing concrete driveway or sidewalk.
One of the most commonly asked questions geostone receives is.
Pouring concrete over an existing concrete slab how to bond them together they always say rome was not built in one day and this was the place that changed the looks of architectural structures that we see today.
That kind of equipment can really punish a concrete floor.
You need to start with a clean surface and ensure a proper bond to create a new concrete surface that lasts.
Here s the catch if the existing surface is somewhat in a structurally sound shape and elevating its height to a few inches won t be a problem you can certainly freshen it up with a new layer of concrete.
However proper prep work is needed.
It rolls or brushes on like paint very easy to install creates a bond between the old new concrete floors.
Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan.
Pouringconcreteoverconcrete bondconcretetoconcrete mikedayconcrete in this video i m pouring a new concrete floor over an existing concrete floor.
Anybody can get rid of the existing surface to develop.
This includes removing sand dead leaves and gravel.
One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
Pouring new concrete over an existing surface can save time and money on home renovations and outdoor restorations.
You can if the concrete is sound solid with minor cracks pitting scaling surface damage or just plain ugly.