
Napier Installation—March 2019
8
FLUE SYSTEM MINIMUM HEIGHT
NOTES:
1.
The flue shall extend not less than 4.6m above the top of the floor protector.
2.
The flue cowl must be at least 600mm above the highest point of the roof if within 3 metres of it,
or 1 metre above the roof penetration if more than 3 metres from the ridge.
3.
No part of the building, or any adjacent building may be in or above a circular area of a horizontal
radius of 3 metres from the flue exit.