Re: expansion joint
Posted by More on March 25, 2002 at 14:49:21:
In response to Re: expansion joint
: Iam building second storey addition
: and i already have a 100mm vent pipe running up the
: side of my house.
: my question is
: do i need to put an expansion jointon the pipe if so
: where along the line

If you are building a second floor above the existing vent you will need to extend the vent through the roof of the new addition. Simply remove the roof top cap at the end of the pipe, install a coupling, and continue on up, with new pipe.

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