How Far Should A Flu Be Installed Above A Roof

A flue pipe must never pass through a combustible floor or ceiling or through an attic roof space closet or concealed space.

How far should a flu be installed above a roof.

Firstly is it ok for them to install the flu in line with my window. Put the roof opening directly above the exhaust opening on the furnace. 20 mar 2007 messages. Personally if i was doing this install i would chose a vertical flue kit which terminates above the roof line try and take a photo of the plume.

For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m. Two things determine chimney draft. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. This specification makes sure steep roof slopes are cleared.

Cut a framing hole at least 10 inches in diameter with a jigsaw tool. 2 run the vent pipe up through the roof and install a metal or pvc flashing collar over it. If the pipe is farther than 10 feet from the roof. Minimum clearance from combustible material.

The chimney should extend at least 3 feet above the roof surface it penetrates and 2 feet higher than any roofline or other obstacle within a horizontal distance of 10 feet. Far better that it goes over the roof. Vertical blue line along the left side of the chimney in our photo. Check the area where you will install the flue pipe.

Run vertical pipe up through the ceiling and roof. Jingo123 30 oct 2008 12. Taller chimneys make more draft but chimneys exposed to outside cold don t. 450 mm 18 in.