Post Number: 29
|Posted on Monday, July 09, 2007 - 04:04 pm: ||
Treat it as if it were a chimney.
Flash into the roof- then counterflash the duct over the roof flashings,
Andrew G.M. Blysak, AIA
Post Number: 1
|Posted on Monday, July 09, 2007 - 02:30 pm: ||
I am an architect in VA. Can anyone give me some advice on flashing a duct penetration through an existing slate roof. The duct size is 30x36. Thank you.