Hi :
> > Since the new concrete won't bond to the old, and it is likely
> > that there will be unseen corrosion happening at the junction
Concrete will bond to old concrete if you coat the old
concrete with bonding compound just before you pour
the second job. Looks like milk, shake it up real GUD
then paint it on with a brush or roller, then pour.
(don't let it dry before the concrete meets it)
73 (= Best Regards) de: (= this is) Ron ka4inm@qsl.net
Please visit my HAM web site at: http://www.qsl.net/ka4inm
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