How To Install A Flue Pipe Through A Flat Roof

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

How to install a flue pipe through a flat roof. Typical methods include banding pitch pockets and cover flashings. I would need to pass a twin wall flue for the stove through a flat roof that covers a single storey section of the house. Transitioning from single wall black stove pipe to insulated double wall class. There are a few different types of flashing.

What typical detailing methods are used to seal flat roof penetrations. I am aware there needs to be an air gap of 60mm from the flue pipe to any combiustibles. Putting a flue pipe or chimney through a sedum roof. This is relatively easily done.

I have a steel roof with as well and i used selkirk s adjustable flashing and installed it just as you would with an asphalt roof i made a cut perpendicular to the run of the roof that would accommodate the flashing sliding under and up and i cut out enough of the steel below that cut to allow the chimney to pass through so it is t shaped with the top being just a slit and the downward. A sedum roof can look very nice indeed and is relatively easy to install. Next using a 5 16 nut driver attach the chimney rain cap to the chimney pipe. Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm an approved sealant is then applied to the top of the membrane.

Vent pipes provide this air by running outside the structure of the house. Sedum roofs are becoming ever more popular and many customers have come to us wanting to put a twin wall insulated flue pipe through their sedum roof so that they can install a stove. 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.

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. Plumbing vent pipes are connected to your drain system and are needed for water to drain properly. When water drains air must replace the space that was taken up by the water.