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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Plumbing Questions >> Waste From Sink (part 2) https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1082407274 Message started by mikespeed on Apr 19^th, 2004, 9:41pm

Title: Waste From Sink (part 2)
Post by mikespeed on Apr 19^th, 2004, 9:41pm

hi all
My new sink will be 3.5 metres from outside wall waste
i would like to run the pipe round an existing chimney breast
is there a min angle for drainage?
ty

Title: Re: Waste From Sink (part 2)
Post by greg on Apr 22^nd, 2004, 7:11pm

Do you mean fall?

If so, approx 20mm drop for every M of run

Title: Re: Waste From Sink (part 2)
Post by mike speed on Apr 22^nd, 2004, 9:27pm

thanks for that greg
i will get measuring!