Double Wall Chimney Pipe Installation

If at all possible avoid offsets that restrict the natural draft.

Double wall chimney pipe installation.

We recommend bracing vertical venting every 5 to 6 feet. The screws should be equidistant around the pipe perimeter. Secure the dwb18a to the ceiling support with sheet metal screws. Install the chimney pipe in the interior of the structure whenever possible.

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. Continue assembly maintaining the clearances to combustibles. Now it s time to start putting our insulated double wall class a chimney pipe together. This is the male end of the chimney pipe.

A through the wall installation requires additional components wall thimble tee w cap tee support and wall straps. Locate the end of the pipe that has the insulation recessed down. A cold exterior chimney will produce less draft and will generate more creosote.