Vertical flue joints in attics must be bracketed.
Flue through roof tiles.
Only red or orange in color.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
Check with your local code enforcement officer or fire dept for proper installation.
Google roof pipe flashings for products and install info.
Go into your attic.
A vertical flue looks similar to a very small chimney and can be seen spouting out steam when the heating is on.
Also at every joint.
Use to line chimneys.
In this case the flue goes upwards and then out through the roof.
And there s a very good reason for this.
Take it up through the soffit remove a roof tile and use a tile slate pipe flashing to exit pipe through and seal.
They help protect the chimney walls from heat and minimize condensation.
Use reducer adaptors for varing pipe diameters.
Any vertical flue joints if your flue is going through the roof for example must be bracketed with specific flue brackets every 800mm 1000mm.
Use a flexi metal connector to take up any misalignment.
With the pipe in a vertical position trace around the pipe using a pencil.
Terra cotta flue intent is to contain the combustion products and direct them to the outside atmosphere.