Soil Stack Maximum number of toilets

406lx · 21 Nov 2007

Can anyone advise the maximum amount of toilets allowed one soil stack can take?

Thanks

Breesey · 21 Nov 2007

It depends on your expected flow rate. In theory you could connect 110 toilets to a 110mm stack. just don't flush them all at the same time!! Have a look at Part H.

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Soil Stack Maximum number of toilets

406lx

Breesey

DIYnot Local

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