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Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Inside Corner
G
V
Balcony -
with no side wall
M =
Combustible &
Noncombustible
12" (305 mm)
*NOTE: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions specified for vinyl or
non-vinyl siding and soffits. 1. There must be a 3' (914 mm) minimum between termination caps. 2. All mechanical air intakes within 10' (1 m) of a
termination cap must be a minimum of 3' (914 mm) below the termination cap. 3. All gravity air intakes within 3' (914 mm) of a termination cap must
be a minimum of 1' (305 mm) below the termination cap.
Figure 12 - Termination clearances.
12
Outside Corner
G =
Combustible
6" (152 mm)
V
Noncombustible
2" (51 mm)
Balcony -
with perpendicular side wall
M
V
Combustible &
Noncombustible
M = 12" (305 mm)
P = 6" (152 mm)
F =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
F
M
V
P
Alcove Applications*
D
C
C
V
E
O
E
= Min. 2" (51 mm) for
non-vinyl sidewalls
Min. 12" (305 mm) for
vinyl sidewalls
O
= 8' (2.4 m) Min.
No.
of Caps
D
Min.
1
3' (914 mm) 2 x D
2
6' (1.8 m)
1 x D
3
9' (2.7 m)
2/3 x D
4
12' (3.7 m)
1/2 x D
D
= # of Termination caps x 3
Min.
C
= (2 / # termination caps) x D
Max.
C
Max.
Actual
Actual
Actual
Actual
Actual
20012761
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