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Re: Concrete slab repair

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James,

	Work of this nature is done in repairing salt damage to parking garages
and bridges, therefore, I know it CAN be done.  I've never done it so I
can't help you; but the able may give you another lead in your quest for
information.

				Regards,

				H. Daryl Richardson

jccpc wrote:
>
> Any suggestions for adding three to four inches of concrete on an existing
> slab? The slab has been previously abraded in unsuccessful attempts to
> install a topping and there needs to be a new radiant heat system installed
> in the new concrete ( a grid of 1 inch pipes, typically attached to any
> reinforcement), necessitating a layer of insulation between old and new.
> Particular concerns will be crack control and curling.
>
> The reason for the contractor abandoning the topping repair was the poor
> quality of the substrate, revealed during scarifying. Replacement of the
> slab is not an option.
>
> Thanks in advance.
>
> James Cohen, PE
> James Cohen Consulting, PC
> Pennington, NJ
> http://expertpages.com/jccpc
>
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