Note that a good grade of Pex pipe (pex-a) will take a great deal of flexing
and stretching without harm. I would probably guess that your slab has done
all the settling it will ever do unless you're washing out underneath, or
have subsidence for some reason.
John L
> It is likely your existing floor has cracks because it has settled due to
> cavitation. You should have the base mud-jacked for support (fill the
> hollows under your old floor with a slurry mixture) before adding the
weight
> of additional concrete, or you may end up with a new floor with new
cracks.
>
> Tom Butters
> The Greens Fork Group
> Creative Communications Services
> 765.886.5098
> Writing, public relations, sales promotion and advertising consulting
> services for agencies and companies.
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