Installing Chimney Pipe Through Roof

Pre installation guidelines authorities require that the chimney extend not less than 3 feet above the highest point where it passes through the roof of a building and not less than 2 feet above any portion of the building within 10 feet see figure 1.

Installing chimney pipe through roof.

The rubber boot is trimmed to fit around the pipe and then secured to the roof with screws and sealant. You will need to cut the opening to the roof to extend the chimney pipe. A single wall pipe will require 18 inch clearance to the ceiling while double wall pipe needs an 8 inch clearance to the ceiling. Some manufacturers include a pipe kit with the stove.

Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling. Locating where to cut the hole through the roof. The flashing can be installed quickly and easily with kits that use rubber pipe boots. The chimney must extend at least 3 feet above the highest point where it passes through the roof and be at least 2 foot higher than any part of the building within a horizontal distance of 10 feet figure 2.

We will first start by locating the center point where the. When calculating your chimney pipe size subtract 1 5 inches for each joint overlap. Locating the center point for the chimney pipe. The termination cap is installed above this point.

See chart 2 for chimney height above the roof on page 17 of these instructions. Using a compass draw out the chimney s diameter. Chimney pipe installation for wood stove through a flat ceiling step 1. Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof.

When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. Determine the number of chimney pipe lengths required. Now that we have penetrated through the ceiling we need. Typically a chimney pipe must terminate at least 3.

Drill a small hole in this spot to mark the chimney s center. A double wall pipe needs a 12 inch clearance space.