Installing Flue Pipe Through Roof

Wood stove pipe flashing is incredibly important to protect both your stove and your roof.

Installing flue pipe through roof.

450 mm 18 in. While you re still on the roof attach the storm collar to the chimney pipe. A flue pipe must never pass through a combustible floor or ceiling or through an attic roof space closet or concealed space. The termination cap is installed above this point.

Minimum clearance from combustible material. Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof. This should be done before installing the roofing material as well. The minimum clearance may be reduced by 50 percent to 225 mm 9 in if suitable shielding is installed either on the pipe or on the combustible surface.

The rubber boot is trimmed to fit around the pipe and then secured to the roof with screws and sealant. You should weatherproof the roof opening with an insulated storm collar and roof flashing. Pull away insulation or install an insulation shield to keep the area clear around the pipe. 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.

There are a few different types of flashing. Safe and efficient chimney installation depends on the materials of your roof. When installing a wood stove at home it s important to think about the chimney. Run vertical pipe up through the ceiling and roof.

The chimney pipe must protrude through the roof a minimum of 2 feet and it must be at least 10 feet away from the roof line. Determine the number of chimney pipe lengths required. Nail the flashing in place right after you put down the tar paper or weather membrane. The insulated chimney pipe is stacked until it reaches the required height.

Check the area where you will install the flue pipe. When passing through the roof you need to use a flashing that matches the roof pitch. Make sure to put a bead of silicone around the storm collar where it meets the chimney pipe.