INSTRUCTIONS FOR THE INSTALLER
13
2.
Figure No.15 -
Distances between chimney
crown and roof ridge
The chimney crown must clear the
highest point of any neighbouring building
or obstacle located within a 10m radius of
the chimney outlet by more than 1m.
Figure No.16 -
Distances between the
chimney crown and objects within a 10m
radius
The chimney crown must clear any
neighbouring building or obstacle located
within a radius of 10m to 20m from the
chimney outlet.
Figure No.17 -
Distances between the
chimney crown and objects within a radius
of between 10 and 20m