Chimney Sweepers and Chimneys Regulation Act, 1840

Regulations as to construction of chimneys and flues.

6. [Recital.] All withs and partitions between any chimney or flue which at any time shall be built or rebuilt, shall be of brick or stone, and at least equal to half a brick in thickness; and every breast-back and with or partition of any chimney or flue hereafter to be built or rebuilt shall be built of sound materials, and the joints of the work well filled in with good mortar or cement, and rendered or stuccoed within; and also every chimney or flue hereafter to be built or rebuilt in any wall, or of greater length than four feet out of the wall, not being a circular chimney or flue twelve inches in diameter, shall be in every section of the same not less than fourteen inches by nine inches; and no chimney or flue shall be constructed with any angle therein which shall be less obtuse than an angle of one hundred and twenty degrees, except as herein after excepted; and every salient or projecting angle in any chimney or flue shall be rounded off four inches at the least; upon pain of forfeiture by every master builder or other master workman who shall make or cause to be made such chimney or flue, of any sum of not less than ten pounds nor exceeding fifty pounds: Provided nevertheless, that notwithstanding this Act chimneys or flues may be built at angles with each other of ninety degrees and more, such chimneys or flues having therein proper doors or openings not less than six inches square.