VENTING
27
8.5 Vertical Terminations
IMPORTANT: The vertical vent heat shield must be installed for
every type of venting application. Refer to Section 8.8 on page
31.
NOTE: Attic insulation shields may be insulated using unfaced
insulation products listed as non-combustible per ASTM E 136.
Table 8.3, NG & LPG - Minimum / Maximum Vertical Terminations
Minimum Vertical Length
Maximum Vertical Length
3 ft
914 mm
50 ft
15.2 m
NATURAL GAS AND LP GAS VERTICAL VENT DIAGRAM
(A)
Stand-off Brackets
(B)
Stand-off Heat Shields
(C)
90
°
Elbow (not applicable)
(D)
Vertical Vent Heat Shield
(E)
Horizontal Vent Heat
Shield (not applicable)
(F)
Termination Cap
3’
(914mm)
50’
(15.24m)
A
B
D
F