Furnace Vent Pipe Height Above Roof

2 run the vent pipe up through the roof and install a metal or pvc flashing collar over it.

Furnace vent pipe height above roof.

Table of rooftop chimney clearances for metal b vent chimneys flues. For the next example you have a shorter chimney height. For 18 feet of run you would have a rise of 72 inches. 2 0 feet above the roof surface.

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. 5 above the flue collar e g. Vent caps 12 and smaller may terminate a distance above the roof if 8 feet or more away from a vertical surface as follows. Put the roof opening directly above the exhaust opening on the furnace.

2 5 feet above the roof surface. If the pipe is farther than 10 feet from the roof. I know about the 2 feet taller than the roof when a vertical wall is within 8 feet as in illustrated in my code check books. Minimum height above the roof surface 1 flat to 7 12.

Roof pitch rise run in inches. If the previous calculation results in the required height of 64 inches we can see that the top of the pipe will not rise above the roof peak but would still meet the requirements of the rule. 1 0 foot above the roof surface 1 7 12 to 8 12. Chimney chimney flue must terminate min.

Water heater installed close to the roof framing would need at least 5 long vertical vent pipe single wall vent pipe requires minimum 6 of clearance to combustible materials. Number 7 is the furnace exhaust. Single wall metal pipe shall extend at least 2 feet 610 mm above the highest point where it passes through a roof of a building and at least 2 feet 610 mm higher than any portion of a. Single wall metal pipe shall terminate at least 5 feet 1524 mm in vertical height above the highest connected equipment draft hood outlet or flue collar.

Any moisture entering this pipe will be drained off before it reaches the furnace by components designed to divert condensation so it doesn t need to be protected. Roof pitch rise run in inchesminimum height flat to 7 12 1 0 foot above the roof surface 7 12 to 8 12 1 5 feet above the roof surface 8 12 to 9 12 2 0 feet above the roof surface. 1 5 feet above the roof surface. The photo shows a b vent from a fan assisted furnace flue on a steep sloped hip roof.