Flue Through Roof Detail

Typical single storey flue system through framed chimney with cap flashing flat ceiling with open roof cavity space and pitched roof.

Flue through roof detail.

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. A vertical flue looks similar to a very small chimney and can be seen spouting out steam when the heating is on. The lower edge is hemmed for stiffness. Large flashings are formed with a hook edge on the top and sides and cleated to the sheathing at 12 o c.

Putting a flue pipe or chimney through a sedum roof. Original accessories that meet the highest standards. Step 1 go into your attic. You could also choose to exit your chimney pipe through a wall using an angled elbow pipe and extend it up above the roof along the side wall of the home.

This is a graphical display of a typical freestanding 150mm diameter flue system. If the vent pipe isn t installed properly the roof may leak through or around the pipe penetration leading to costly repairs. Care should be taken to follow manufacturers installation and safety clearance instructions. Rainwater outlets are also classed as penetrations as they go down vertically through the deck and or horizontally through the parapet.

A sedum roof can look very nice indeed and is relatively easy to install. Common penetration details include soil vent pipes hot pipes from boiler flues or log burners electrical cables for air conditioning units extraction ducting and tracks for mechanical window cleaning systems. The roofing material shingles asphalt paper etc should overlap the top edge up. The flue requires a roof penetration for this.

Position the vent pipe up to the bottom of the roof. This detail illustrates a method of flashing a ventilator on a sloped roof. In this case the flue goes upwards and then out through the roof. The flashing is then nailed to the roof.

You can box the chimney collar in with wood framing and add stucco or siding to match the home s exterior. The penetration will be oval to have a round pipe exit. See table 2 a roof flash ing is placed down over the pipe and adjusted so it fits tightly against the roof with the pipe section held in a position maintaining the 1 inch minimum clearance from combustibles. With the pipe in a vertical position trace around the pipe using a pencil.

The creaton flue pipe penetration. Download free high quality cad drawings blocks and details of roof vents. The base flashing extends onto the roof a minimum of 4 and is soldered to the ventilator. Weather resistant conforms to regulations and homogeneous wherever there is a condensing boiler there is also flue gas.