When installing Hep2O through an internal wall, is it necessary to protect the pipe in any way?
I'm putting 22mm barrier pipe through a 25mm hole in the brick.
TIA
Mr F.
Hep2O through an internal brick wall
Aug 11, 2005
3 Replies
It must be sleeved.
With what? What is the name of such a product? Or shall I just put a small length of 28mm pipe in the hole?
Mr F.
Yep. The next sized pipe up, preferably in plastic. Or, use cheap overflow pipe.
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