dimprov
New Member
It apparently penetrats the slab, and then somehow was grafted/soldered to regular 3" PVC below. But how did they do it?
I presume they used lead because it could deform (which, as you can see, it apparently did) when the slab was poured and subsequently expanded? But why go to such an elaborate method?
David
I presume they used lead because it could deform (which, as you can see, it apparently did) when the slab was poured and subsequently expanded? But why go to such an elaborate method?
David
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