CHIMNEY CAP
The chimney cap should have the following characteristics:
•
It's advisable to read, follow and respect what indicated in the paragraphe 1.1
−
Internal section equivalent with the chimney one
−
Exhaust section exit not lower to the double of the chimney internal one
−
Built in a way to avoid rain, snow or external body entrance, to ensure the right exit
−
of combustion products with any type of wind
Positioned to guarantee the right fumes dispersion especially out of re-flux area.
−
This area has several dimensions and conformations in function of inclination
corner of the covering so it's necessary to apply the minimal highness as indicated
in the following tables:
Inclination Roof C (°)
Re-flux
area
Chimney
Pot Wind
Damping
A
15
1,85
30
1,50
45
1,30
60
1,20
Chimney pot
wind damping
Revolving
chimney pot
for strong
horizontal
wind
IT IT IT IT- - - - EN
EN- - - - FR
FR- - - - E E E E S S S S mod. NADA 140A EN13240
EN
EN
FR
FR
Re Flux Area Highness Z (m)
H
1,00
1,30
2,00
2,50
26/76
0,50
0,80
1,50
2,10