Technical data

Terminal Position Min Distance
A Below gutters, soil pipes or drain pipes 1000
B From a door, window or air vent 600
C Above ground, flat roof or balcony level 600
D Below eaves or balconies 1000
E From an internal or external corner 600
F From a terminal facing the terminal 600
G From a surface facing the terminal 600
HVertically from a terminal on the same wall 1500
I Horizontally from the terminal on the same wall 600
J Directly below an opening, air brick, window, etc. 600
K From a vertical drain pipe or soil pipe 1000
These are minimum dimensions and are only quoted as a guideline but they will
satisfy the requirements of all UK Building regulations.
Where the flue terminal is within 1 metre of any plastic material, such material
should be shielded from the effects of the combustion products of the flue.
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