How High Should A Chimney Be Above The Roof Uk

This height requirement is extremely important for the safety of the chimney system.

How high should a chimney be above the roof uk.

With a modern twin wall system you should get away with 3 5m or even 3m if you have to e g. The flue termination is within 600mm horizontally of the ridge in which case the flue finish at least 600mm above the ridge. 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. For gas vents or a type l vent this distance above the roof surface must be at least 2 ft 0 61m.

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 the pipe is farther than 10 feet from the roof peak. 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. 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.

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. This clearance is set up to help prevent any embers from landing on the roof. The height masonry chimneys should not exceed above the roof structure depends on the density of the masonry used for the chimneys. They intend to make sure that the chimney draws properly and that a fire hazard does not occur.

And at least 2 higher than any portion of a building within 10. The chimney must extend at least 3 above the highest point where it passes through a roof. 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. Specifications aren t there to merely cause you problems.

At this point we cover everything in the rule. If you have a window anywhere near then check out the regulations adj diagram 17. The top of the chimney should be at least 3 ft 0 92 m above the roof surface. The chimney is a minimum for 3 above the uphill side of the roof and 2 higher than anything within 10 feet.

This specification makes sure steep roof slopes are cleared. Degrees the height of flue or chimney stack will need to be at least 1800mm above the roof when not close to the ridge.