Instead use purpose made metal roof flashing.
Metal roof fireplace boot.
Eagle 1 epdm flexible roofing pipe flashing boots on site adjustable roof pipe jack boot with round base high temp 6 4 7 out of 5 stars 111 69 95 69.
Metal roofing installation new or existing historically flashings on a metal roof were installed beneath the metal roofing panels.
Following making the outline of the flashing with a marker or pencil.
Flashing is often made of metal which is the norm on a metal roof.
This is not recommended since it makes it very difficult to remove or replace the flashing in the future.
Flashers 7 silicone high temp flexible roof jack pipe boot metal roofing pipe flashing pipe od 6 to 11 100 made in the usa 4 4 out of 5 stars 6 49 45 49.
This leaking metal roofing boot was not an easy diagnosis.
Amazon s choice for metal roof chimney boot dektite premium 6 red silicone metal roof pipe flashing high temp square base pipe od 5 to 9 4 6 out of 5 stars 268.
Following put a large bead of silicane inside of your mark all the way around the flashing.
Only after water testing and making it.
Metal roof stove pipe flashing flashing is a method of weatherproofing the base of a chimney.
From the outside the metal roofing boot looked real good.
Use your feet to flatten the flashing down over the contour of the roof.
Rated for pipes up to 500 f pipe sizes 0 25in 19 see below for corresponding to size all around performance ozone and uv protection flashings are made of silicone and are designed for maximum resistance to all weather conditions.
Screw it down in a way that its fits tight over the humps of the metal roof.