How Far Should A Flu Be Installed Above A Roof

For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m.

How far should a flu be installed above a roof.

Vertical blue line along the left side of the chimney in our photo. If the pipe is farther than 10 feet from the roof. 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. A flue pipe must never pass through a combustible floor or ceiling or through an attic roof space closet or concealed space.

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. 20 mar 2007 messages. Run vertical pipe up through the ceiling and roof. Taller chimneys make more draft but chimneys exposed to outside cold don t.

Far better that it goes over the roof. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. Minimum clearance from combustible material. 450 mm 18 in.

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. Check the area where you will install the flue pipe. The top of a chimney pipe must extend at least 2 feet above the peak of the roof if the pipe is within 10 feet of the peak. Put the roof opening directly above the exhaust opening on the furnace.

2 run the vent pipe up through the roof and install a metal or pvc flashing collar over it. Pull away insulation or install an insulation shield to keep the area clear around the pipe. Two things determine chimney draft. Firstly is it ok for them to install the flu in line with my window.