I use similar boots, and design the penetration so the insulation and
wrap ( we use aluminum) nearly cover the whole boot by the time you're
all done. you're left with about 1/2" of boot showing all the way around.
where can I get the coolie cap style brazed copper flashings?
karl
Todd Cory wrote:
I use accordion style rubber boots. These are typically attached to
the roofing with a bead of silicone underneath and gasketed metal
roofing screws on top. These are made for all kinds of metal roof
penetrations and I have even seen them used for 6" metalbestos stove
flues. One note of caution, the orange "high temperature" ones are (I
think) rated only to 180 degrees F. so you want to make sure the SHW
fluid never exceeds this. Also in time, like any rubber flashing on a
roof the rubber will deteriorate from UV. I build a show shed over my
system's plumbing which shades it so hopefully this will not be in
issue in ~20 years.
Todd
troy Harvey wrote:
Any thoughts on how to flash a copper pipe roof penetration on a
metal roof. The brazed copper flashing we typically use would cause
corrosion with the steel roof I'm afraid. WHat have others used in
this situation?
Troy Harvey
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