Connecting bath/sink to existing soil pipe - uk.d-i-y

Message from discussion Connecting bath/sink to existing soil pipe
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From: "dw" <did...@tiscali.co.uk>
Newsgroups: uk.d-i-y
Subject: Connecting bath/sink to existing soil pipe
Date: 18 Sep 2006 11:26:34 -0700
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Can anone advise?
I have an upstairs toilet, which I have extended to fit a bath and
sink. The soil stack is on the outside wall and is cast iron, I need to
connect the pipes from the bath and sink to it.Can I use a 'strap boss'
to do this?
TY