Double Wall Chimney Pipe Installation

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

Double wall chimney pipe installation.

To make the transition from insulated chimney pipe to single wall stove pipe a universal pipe adapter will be needed. We recommend bracing vertical venting every 5 to 6 feet. 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. Now it s time to start putting our insulated double wall class a chimney pipe together.

It may be necessary to attach the adjustable length dwb18a section to the chimney ceiling support prior to installing the sections. Continue assembly maintaining the clearances to combustibles. A through the wall installation requires additional components wall thimble tee w cap tee support and wall straps. As you assemble each pipe section secure the outer wall using three 10 3 4 self tapping stainless steel sheet metal screws.

A cold exterior chimney will produce less draft and will generate more creosote. Locate the end of the pipe that has the insulation recessed down. This is the male end of the chimney pipe.