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
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First reply
secondary stack. I don't think that the Hep VO traps apply, please advise me if you think the statement incorrect. Cheers Tom
Read the full replyInformation here may be outdated?
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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