How High Chimney Above Roof Line Uk

Homes built on varying terrain have their own set of chimney and flue regulations.

How high chimney above roof line uk. The 10 foot rule explains the clearance you need. Flues need to be 600mm higher than the highest part of the roof within 3 metres. 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. Imagine an imaginary horizontal line extending 2 3m in all directions.

They intend to make sure that the chimney draws properly and that a fire hazard does not occur. We also have the 2 3m rule. Specifications aren t there to merely cause you problems. Keep in mind that there is generally a minimum chimney height requirement for the overall system usually 15 feet which sometimes includes connector pipe that can affect the finished height of your chimney system.

If the pipe is farther than 10 feet from the roof peak it must be 2. The condition of the chimney is quite bad and we prefer to remove everything above the roof line before it collapse make it good and cover with one roof. 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 must extend at least 3 above the highest point where it passes through a roof.

Other factors can influence the necessary height of the chimney such as house stack effect and high altitude. 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. Degrees the height of flue or chimney stack will need to be at least 1800mm above the roof when not close to the ridge. Chimneys shall extend at least 2 feet 610 mm higher than any portion of a building within 10 feet 3048 mm but shall not be less than 3 feet 914 mm above the point where the chimney passes through the roof.

If the top of the chimney is within 600mm 60cm of the ridge it should finish 60cm higher than the ridge. Look at the top of your chimney where the smoke comes out. And at least 2 higher than any portion of a building within 10. The chimney has been decommissioned years ago and we do not want to touch any structural parts of the chimney from the inside of the house.