Roospike said:I had noticed in the picture that the looks of the Boxed in chimney vs the open non-boxed chimney that the boxed in shows a vented flashing cap for the pipe and the open does not . This has come up per vented vs non vented flashing . Per the picture ........... is this the rule ?hearthtools said:ICC through wall and up.
Yes Like it showed in the vent or not vent thread.
ICC only needed to be vented in it is a moibil home or inclosed unventalated area.