To avoid such possibility terminate the vent above the roof line.
-Ensure that all installation work is carried out to professional standards.
A - Clearance to wall penetration point
B - Clearance to combustibles
C - Thimble
D - 90° elbow
E - Vent
F - Tee
G - Clearance to ground
H - 45° elbow with termination
I - Public walkaway
J - Combustibles
K - Clearance
Prevention of domestic fires
EN
Fig. 20