When installing a chimney for a wood stove on a metal roof you ll first need to assess the position.
Installing chimney pipe in metal roof.
Following is the proceedure for installing the dsa flashing.
How to install a flashing on a metal roof.
No more than five feet of unsupported pipe is permitted.
Pipe we used retails for about 118 that s a little over 3 per inch.
However this convenience carries a price.
When calculating your chimney pipe size subtract 1 5 inches for each joint overlap.
High winds bend and damage unsupported pipes.
A single wall pipe will require 18 inch clearance to the ceiling while double wall pipe needs an 8 inch clearance to the ceiling.
The flashing can be installed quickly and easily with kits that use rubber pipe boots.
Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof.
Many manufacturers offer rigid dual leg brackets to anchor pipes to the roof.
I prefer to use a dsa flashing also known as a dead soft aluminum flashing.
Open valleys have metal flashing to protect this critical area of the roof.
Any pipe installation above a roof that is unsupported by a chimney chase needs proper support above the roof line.
This flashing is super thin and very flexible to curve around the humps in the metal roofing.
In this video i cover installing a roof boot for a vent pipe in a metal roof.
You can call us with any questions you may have.
Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.
Length of the 6 in.
The metal i m using is called crinkle black i purchased all my materials at h.
A double wall pipe needs a 12 inch clearance space.
The big advantage of a metal chimney is ease of installation with minimal site modification.
Drill a small hole in this spot to mark the chimney s center.
You will need to cut the opening to the roof to extend the chimney pipe.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Chimneys and metal roofing one of the positive benefits of a properly installed metal roof is that it will be flashed in order to be watertight against roof.