What's the minimum size I can get away with for a stack ventilation pipe on a single storey dwelling, it serves only for ventilation. It used to be 75mm but I haven't got access to the latest approved documents. Cheers Tom
Size of vent stack?
Jan 30, 2005
4 Replies
Use HepVO traps and no vent pipe at all.
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secondary stack. I don't think that the Hep VO traps apply, please advise me if you think the statement incorrect. Cheers Tom
Sure you do:
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or
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> Use HepVO traps and no vent pipe at all.
Depends on various factors, eg whether next door already has an external stack: read this thread (and lots of others) from the uk.d-i-y archives for more info about it:
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Much obliged for the info. Thanks Tom
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