Hammer 2 roofing nails into the flashing and roof.
How to flash a metal roof chimney.
Apply sealant to sidewall flashing where pan flashing tabs will overlap.
Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe.
Install two layers of butyl tape sealant under perimeter of pan flashing.
In most cases it is essential to use a skilled craftsman to wrap a layer of the rubber material into a step flashing and then counter flash with aluminum or copper.
Fit an 8 inch 20 3 cm piece of square step flashing over the chimney s front corner.
Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in.
As the side base flashing approaches the valley flashing it will have to be shaped to lie in the lower trough section of the roofing so that the second sheet of roofing will lie flat.
Place a small drop of caulk where the roof and chimney meet at the chimney corner.
Bend a piece of cap flashing to fit around the top corner of the chimney and add the cap flashing across the back of the chimney.
When installing a chimney for a wood stove on a metal roof you ll first need to assess the position.
Remove the rubber boot.
Pan flashing should extend at least 12 inches up the roof plane.
Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim.
Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.
Place the step flashing over the caulk and onto the chimney.
Flashing the area of a chimney with a rubber roof system is very tricky.
Trace the outline of the base of the rubber boot onto the metal roof with a pencil.
Drill a small hole in this spot to mark the chimney s center.
Set the flashing aside.
Pound the flashing into the grooves and fasten with the drive in expanding anchors.
It is a time consuming process.
Rivet the pan flashing to the sidewall flashing.