Furnace Flue Height Above Roof

See the detailed b vent chimney rooftop clearance table below.

Furnace flue height above roof.

The top of the flue opening should be 3 ft 0 92 m above any roof surface. Height of furnace vent above grade this is an exhaust vent for a high efficiency furnace. This was 14 inches on the northwest side of the home. Feet 1524 mm in vertical height above the highest connected appliance draft hood or flue collar.

Chimney chimney flue must terminate min. The top of the chimney should be at least two feet above anything within a ten foot radius of the chimney. A vertical line drawn along the up roof side of the chimney from the roof surface to the top of the chimney flue opening shall be at least 3 ft in height. Nfpa54 12 7 2 2 802 6 2 2 type b w vents.

2 above the roof. This is for masonry chimneys. As a rule of thumb is there a min height requirement above grade in areas with heavy snow fall. The different types of venting.

Chimney chimney flue must terminate min. For a gas vent or type l vent this height must be 2 ft 0 61m or more. 2 higher than building withing 10. A type b w gas vent shall terminate not less than 12 feet in.

Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. When we are talking about gas furnace vent pipe code we need to talk about the different types of the vents first after all you want to keep your family safe from harm. If the pipe is farther than 10 feet from the roof peak it must be 2. 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.

11 12 to 12 12 4 0 feet above the roof surface continues to 21 12 pitch at 8 0 feet vent caps larger than 12 must be located at least 2 feet above the highest point and 2 feet higher than any portion of the building within a horizontal distance of 10 feet. Most wood stove and factory built fireplace manufacturers and local building codes will require that the chimney must extend at least 2 feet above any portion of any structure within 10 feet measured horizontally and must extend at least 3 feet above the highest point of its roof penetration. Well making sure that you choose the right venting style will protect them.