If double wall black pipe sections dwb are to be used the double wall black adapter dwba is required to be attached at the stove collar.
Double wall chimney pipe installation.
We recommend bracing vertical venting every 5 to 6 feet.
It may be necessary to attach the adjustable length dwb18a section to the chimney ceiling support prior to installing the sections.
Install the chimney pipe in the interior of the structure whenever possible.
A cold exterior chimney will produce less draft and will generate more creosote.
As you assemble each pipe section secure the outer wall using three 10 3 4 self tapping stainless steel sheet metal screws.
Continue assembly maintaining the clearances to combustibles.
If at all possible avoid offsets that restrict the natural draft.
Now it s time to start putting our insulated double wall class a chimney pipe together.
The screws should be equidistant around the pipe perimeter.
A through the wall installation requires additional components wall thimble tee w cap tee support and wall straps.
This is the male end of the chimney pipe.