Routing waste pipe past shower tray
"Matt Beard" wrote in message
om...
Notches can be cut in the top of a joist in an area that stretches
from 7% of the span from one support to 25% of the span from the same
support. The notch must be no deeper than the lesser of 12.5% of the
depth of the joist or 250mm.
That just about rules out notches for waste pipes then.
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