How High Should My Chimney Be Above My Roof

The 10 foot rule explains the clearance you need.

How high should my chimney be above my roof.

If you ve been researching class a chimney pipes you ve probably heard of the 3 2 10 foot rule numerous times. They intend to make sure that the chimney draws properly and that a fire hazard does not occur. Rumfords draw at least as well as any other naturally drafting appliance so there are no special rules for rumfords. Flues need to be 600mm higher than the highest part of the roof within 3 metres.

Both above the flat roof and 2 feet above the point at which a horizontal line from the chimney would touch the highest portion of the nearest roof. 12 1 14 code requires that a chimney be three feet above the roof where it exits and two feet higher than any part of the roof within ten feet. This specification makes sure steep roof slopes are cleared. 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.

Vertical blue line along the left side of the chimney in our photo. 8 12 minimum chimney height. My understanding is that the chimney should be at least 2 feet higher than any part of the roof within 10 feet of the chimney. For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m.

The top of the chimney should be at least two feet higher than a level point ten feet away from a level line to the roof. The current code states that chimney openings need to be at least 300mm higher than the highest part of any roof within 3 6 metres of the chimney. 6 12 minimum chimney height. Specifications aren t there to merely cause you problems.

If the pipe is farther than 10 feet from the roof peak it must be 2. Explained the chimney pipe must be a minimum of three feet above the roof but also two feet taller than anything within ten feet. The chimney must extend at least 3 above the highest point where it passes through a roof. The top of the chimney should be at least 3 ft 0 92 m above the roof surface.

In your situation the minimum height of your chimney above the eaves should be the following depending on your roof pitch. This rule refers to the proper height of the chimney pipe above the roof.