what is the existing concrete
Garage floor pored in 1969
New concrete will not grab/adhere to old concrete.
You can if you etch the old concrete so they will adhere to one another
You need to clean the surface and apply a bonding agent first. If you Google 'concrete over concrete' a number of good articles come up.
Thanks
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what is the existing concrete
New concrete will not grab/adhere to old concrete.
You can if you etch the old concrete so they will adhere to one another
You need to clean the surface and apply a bonding agent first. If you Google 'concrete over concrete' a number of good articles come up.