How High Should A Chimney Be Above The Roof Uk
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.
How high should a chimney be above the roof uk. If the pipe is farther than 10 feet from the roof peak. 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. 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.
Degrees the height of flue or chimney stack will need to be at least 1800mm above the roof when not close to the ridge. The top of your chimney should be no less than 17 6 above the highest air inlet point of the fire. This height requirement is extremely important for the safety of the chimney system. The chimney is a minimum for 3 above the uphill side of the roof and 2 higher than anything within 10 feet.
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. This clearance is set up to help prevent any embers from landing on the roof. 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.
If you have a window anywhere near then check out the regulations adj diagram 17. The flue termination is within 600mm horizontally of the ridge in which case the flue finish at least 600mm above the ridge. At the same time it should be at least 2 feet higher than any part of the building that is within 8 feet. Specifications aren t there to merely cause you problems.
The top of the chimney should be at least 3 ft 0 92 m above the roof surface. At this point we cover everything in the rule. The chimney must extend at least 3 above the highest point where it passes through a roof. For most small structures like small cabins and tiny homes the tallest part of the structure is within 10 of the chimney.
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. Out of a shed or caravan or boat. With a modern twin wall system you should get away with 3 5m or even 3m if you have to e g.