Installing Pellet Stove Pipe Through Roof

Install a chimney liner.

Installing pellet stove pipe through roof. You will need to cut the opening to the roof to extend the chimney pipe. Secure the vent using a strap against the eave and place a rain cap on it. This is a metal pipe that attaches to the pellet stove at one end typically with a pellet stove pipe chimney adapter and extends all the way through the chimney and above the roof at a suitable clearance. Using an insulated or double wall chimney pipe is best.

A single wall pipe will require 18 inch clearance to the ceiling while double wall pipe needs an 8 inch clearance to the ceiling. A double wall pipe needs a 12 inch clearance space. The outside will require you to install a vent pipe clean out of your pellet ashes. Type l 3 inch pellet stove venting kit expels combustion gasses.

Install the elbow so your vent can run vertically above the eaves. Next you connect the pipe recommended by the manufacturer for the stove and run it through the thimble and to the outside. Installing a pellet stove pipe in an existing chimney requires a chimney liner. Place the pellet stove on top of the floor pad making sure to maintain the proper clearances from combustible surfaces.

Connect 3 inch double walled vent pipe or pipe recommended by the manufacturer to the stove and run it through the thimble to the outside. Insert the horizontal section of pipe through the walls so the inner end is about three inches from the face of the inside wall. Temporarily attach the vent pipe to the stove then bore a inch pilot hole through the exterior house wall. Apply construction adhesive on the inner face of the inside collar.

The simplest and cheapest way to install vertical venting for your pellet stove is to run the flue outside up an external wall of your house. Install a vent thimble a sleeve through which the vent will travel into the hole.