I have a 2015 Jotul F100. It will be sitting 2/3 in an existing masonary FP. So the new SS liner comes off the top and goes through the old Flue, there will be approx 1 square foot of air space all around the liner (picture a 6" tube going through a shoe box and leaving an air gap). My concern is that much of the heat this little monster is putting out will go up that gap and disperse through the clay lined then brick walls.
My WETT certified installer says he can use Roxul Insulation to fill this gap but he is worried that there will not be ventilation in the chimney itself if I do this but is willing to do it anyway (he was a bit annoyed that I was requesting this). There will be a sealed cap on the top and air will not be getting in/out from the top. My theory is that the heat from the SS liner itself will keep the chimney dry inside! My main concern is going to all this effort and loosing much of the heat from an already small stove out the chimney.
Note: I realize many people on here are in very cold climates but here on Vancouver Island it is dampness in the winter, we very rarely go below 0 deg Celsius.
Any advice would be much appreciated!!
My WETT certified installer says he can use Roxul Insulation to fill this gap but he is worried that there will not be ventilation in the chimney itself if I do this but is willing to do it anyway (he was a bit annoyed that I was requesting this). There will be a sealed cap on the top and air will not be getting in/out from the top. My theory is that the heat from the SS liner itself will keep the chimney dry inside! My main concern is going to all this effort and loosing much of the heat from an already small stove out the chimney.
Note: I realize many people on here are in very cold climates but here on Vancouver Island it is dampness in the winter, we very rarely go below 0 deg Celsius.
Any advice would be much appreciated!!
!
