Double Wall Chimney Pipe Installation

A through the wall installation requires additional components wall thimble tee w cap tee support and wall straps.

Double wall chimney pipe installation.

We recommend bracing vertical venting every 5 to 6 feet. If at all possible avoid offsets that restrict the natural draft. Continue assembly maintaining the clearances to combustibles. Locate the end of the pipe that has the insulation recessed down.

It may be necessary to attach the adjustable length dwb18a section to the chimney ceiling support prior to installing the sections. A cold exterior chimney will produce less draft and will generate more creosote. This is the male end of the chimney pipe. To make the transition from insulated chimney pipe to single wall stove pipe a universal pipe adapter will be needed.

Install the chimney pipe in the interior of the structure whenever possible. Now it s time to start putting our insulated double wall class a chimney pipe together. As you assemble each pipe section secure the outer wall using three 10 3 4 self tapping stainless steel sheet metal screws.