Specifications aren t there to merely cause you problems.
How high should a chimney be above the roof uk.
At the same time it should be at least 2 feet higher than any part of the building that is within 8 feet.
This specification makes sure steep roof slopes are cleared.
As a guide a chimney that is 4 5m high from top of stove to top of pot should be high enough to ensure the stove has sufficient draft.
If you have a window anywhere near then check out the regulations adj diagram 17.
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.
They intend to make sure that the chimney draws properly and that a fire hazard does not occur.
At this point we cover everything in the rule.
For most small structures like small cabins and tiny homes the tallest part of the structure is within 10 of the chimney.
The top of the chimney should be at least 3 ft 0 92 m above the roof surface.
The top of your chimney should be no less than 17 6 above the highest air inlet point of the fire.
Out of a shed or caravan or boat.
This height requirement is extremely important for the safety of the chimney system.
Degrees the height of flue or chimney stack will need to be at least 1800mm above the roof when not close to the ridge.
If the pipe is farther than 10 feet from the roof peak.
Distance matters 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.
For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m.
The chimney is a minimum for 3 above the uphill side of the roof and 2 higher than anything within 10 feet.
With a modern twin wall system you should get away with 3 5m or even 3m if you have to e g.
And at least 2 higher than any portion of a building within 10.
If the pitch of the roof is 38 degrees or greater the termination point of the flue or chimney will need to be 2300mm horizontally from the roof line and roofing material.
The chimney opening above the roof of a sticks and bricks house should be 3 feet above the roof line or 2 feet above any part of the building within 10 whichever is higher.
The horizontal distance from the top of the flue pipe to the roof should be at least 2300mm or it should finish above the ridge unless.
The chimney must extend at least 3 above the highest point where it passes through a roof.