Ask at the hardware, I think there is white epoxy made for this.
--
Christopher A. Young
Do good work.
It's longer in the short run
but shorter in the long run.
..
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"C & M" wrote in message
news

I've got an 8" wide x 3" deep piece of curb that spalled off after being
struck by a plow. Do you think that a little mortar will hold it in place?
I tried silicone caulk last year with pretty poor results.
TIA