Can a house slab be poured around existing plumbing stubs?

Yes — this is genuinely standard practice, with plumbing stub-ups positioned and protected before the pour according to your approved plumbing plan, so pipework comes through the slab exactly where it’s needed.

Getting this coordination right the first time matters, since correcting a misplaced stub-up after the concrete has cured is far more disruptive than confirming positions properly beforehand.

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