Install the form usually wood form around the perimeter of old concrete surface.
Can you pour concrete over old concrete driveway.
Before pouring concrete over existing concrete driveway or sidewalk surfaces remove stains and loose material so the new concrete can stick properly.
Oil dirt and other debris can affect how the new concrete bonds with the old.
The form shall extend above existing concrete surface based on the designated thickness of the new concrete.
Call tucker paving for your new driveway when you are ready to transition your old concrete driveway into a new asphalt one give tucker paving a call.
That kind of equipment can really punish a concrete floor.
No matter how hard concrete gets or how strong it is there is nothing that can stick it to the older surface.
If you re concrete has large cracks and the slab may still be moving due to freeze and thaw conditions or settling then a tear out and replace is a better solution.
You can if the concrete is sound solid with minor cracks pitting scaling surface damage or just plain ugly.
For this to be feasible the contractor needs to pour at least 2 inches thick use smaller aggregate and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete.
These joints can turn into cracks in the asphalt which will necessitate expensive and time consuming repairs.
Your best bet is going to be to tear up the old concrete before pouring the asphalt.
By the way it will take you much longer to break up two layers of poured concrete in the future cost you more if someone else does it and the work put in the second slab will be a.
Pouring concrete over an existing concrete driveway or sidewalk.
So if you pour new concrete over the old surface without preparing the one beneath it will crumble within no time and will lead to another big headache.
When wouldn t i want to pour new concrete over old concrete.
Make sure that the height of the formwork is even.
The same principles as above apply to pouring concrete over an existing concrete driveway or sidewalk.
There are cases when pouring new concrete over old just isn t a viable solution.