One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
Concrete pour over existing slab forum.
However proper prep work is needed.
Use a 6x6 10x10 welded reinforcing wire in the new concrete to help prevent.
This includes removing sand dead leaves and gravel.
Ft garage remodel and the customer would like a new concrete floor.
Being the old slab is in pretty good condition you can pour directly over the old slab with 4 5 of new concrete.
It was originally poured in multiple sections so it had some seams that looked like cracks.
The old concrete was over 20 years old.
Steps involved in pouring concrete over existing concrete slab step 1.
Sweeping dirt s debris over the existing concrete slab will allow bonding to take place.
Pouring concrete over the existing one.
In the video below i poured a new stamped concrete patio slab right over the old existing concrete.
You can easily pour over the existing concrete but please don t use fibermesh concrete.
Cleaning old concrete surface.
I ve had the misfortune of having to remove far too much of it pouring concrete over existing concrete house remodeling decorating construction energy use kitchen bathroom bedroom building rooms page 2 city data forum.
How to pour concrete over existing concrete.
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.