#1 out exhaust will need 4 -2’ 6” double wall and a 4’ section and top cap #2 spot is. 5’ 6” section and a 4’ 6” double wall and cap Went with ho 6 a if we don’t have to run collar through roof If we do it will be the bronze level He is calling the roof company to see if they will do the collar being that the roof was installed yesterday
