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EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS
*
See Item D in the Text Below.
Exterior Wall
*18"
Horizontal
Termination
Inside Corner
B
V
L
X
= Air Supply Inlet
A
=
C
e l
r a
n a
e c
a
o b
e v
d
c e
, k
r o
a b
c l
n o
. y
B
=
C
e l
r a
n a
e c
o t
w
o
e p
e n
. d
C
=
C
e l
r a
n a
e c
o t
p
r e
D
=
V
e
i t r
a c
c l
e l
r a
n a
l
c o
t a
d e
a
o b
e v
t
e h
t
d
t s i
n a
e c
f o
8 1
n i
h c
i l
e n
o
t f
e h
t
r e
m
n i
l a
E
=
C
e l
r a
n a
e c
o t
u
v n
F
=
C
e l
r a
n a
e c
o t
u o
G
=
C
e l
r a
n a
e c
o t
n i
H
=
C
e l
r a
n a
e c
o t
a e
x e
e t
d n
d e
a
o b
e v
m
e
I
=
C
e l
r a
n a
e c
o t
s
r e
J
=
C
e l
r a
n a
e c
o t
n
n o
o t
u b
l i
i d
g n
o
t r
e h
o c
o
h t
r e
a
p p
i l
n a
e c
K
=
C
e l
r a
n a
e c
o t
a
L
=
C
e l
r a
n a
e c
a
o b
e v
i d
e v
w
a
l y
c o
t a
d e
n o
M
=
C
e l
r a
n a
e c
u
d n
b
l a
o c
y n
*
n I
c a
o c
d r
n a
e c
i w
* *
n I
c a
o c
d r
n a
e c
i w
‡
A
v
n e
s t
a h
l l
o n
t t
o b
h t
d
w
e
i l l
g n
. s
‡ *
O
n
y l
p
r e
m
t t i
d e
f i
Figure 8
6
Center Line
of Termination
18"
Ventilated Soffit
Detail D
B
C
V
Fixed
Closed
Window
V
F
C
B
V
C
C
A
V
= Vent Terminal
= Area where Terminal is not Permitted
r g
d a
, e
e v
a r
d n
, a
o p
c r
, h
n i
o d
w
r o
o d
r o
h t
t a
m
y a
e b
m
n a
n e
y l t
l c
s o
d e
w
n i
o d
w
e c
o t
v
n e
l i t
t a
d e
s
f o
t i f
r e
m
n i
l a
i w
h t
n i
a
o h
i r
o z
t n
l a
s e
4 (
8 5
m
m
f )
o r
m
t
e h
e c
t n
r e
n e
l i t
t a
d e
s
f o
t i f
i s t
e d
o c
n r
r e
i s
e d
o c
n r
r e
h c
n i
i s
e d
f o
e c
t n
r e
i l
e n
e t
r / r
g e
l u
t a
r o
s a
e s
m
b
y l
i v
e c
r
g e
l u
t a
r o
e v
t n
u o
l t
t e
m
e
h c
n a
c i
l a
a
r i
s
p u
l p
i y
l n
t e
m
u b
i t s
n o
i a
i r
l n
t e
o t
a
y n
m
e
h c
n a
c i
l a
a
r i
s
p u
l p
i y
l n
t e
p
v a
d e
i s
e d
w
a
k l
r o
p
v a
d e
p
b u
c i l
r p
p o
r e
y t
r e
e v
a r
d n
, a
o p
c r
, h
e d
k c
r o
h t
t
e h
c
r u
e r
t n
C
S
A
B -
1
9 4
1 .
N
a
i t
n o
h t
t
e h
u c
e r
t n
A
N
I S
S
2 Z
3 2
1 .
N /
F
P
r e
m
i
a n
e t
d
r i
c e
y l t
a
o b
e v
a
i s
e d
w
a
e v
a r
d n
, a
o p
c r
, h
e d
k c
r o
b
l a
o c
y n
Inside
Corner Detail
G
V
A
= 9" in U.S.
A
= 12" in Canada
X
A
V
Operable
Window
J
B
B
C
a
a n
i d
n a
I
s n
a t
l l
t a
o i
* n
2 1
n i
h c
s e
3 (
c 0
m
* )
6
n i
1 (
c 5
m
f )
r o
p a
l p
a i
c n
s e
<
0 1
0 ,
0 0
t B
h u
(
k 3
W
, )
2 1
n i
3 (
c 0
m
f
r o
p a
l p
a i
c n
s e
>
0 1
0 ,
0 0
t B
h u
(
k 3
<
1
0 0
0 ,
0 0
t B
h u
3 (
k 0
W
, )
6 3
n i
h c
s e
f
r o
p a
l p
a i
c n
s e
>
1
0 0
0 ,
0 0
t B
h u
3 (
1
" 2
3 (
5 0
m
m
)
e r
o c
m
m
e
d n
d e
o t
p
w
n i
o d
w
o c
d n
n e
a s
i t
n o
1
" 8
4 (
8 5
m
m
)
1
" 2
3 (
5 0
m
m
)
" 5
1 (
. 2
c 7
m
)
m
i
i n
m
u
m
" 6
1 (
. 5
c 2
m
)
m
i
i n
m
u
m
3
e f
t e
9 (
c 1
m
)
i w
h t
n i
a
e h
g i
t h
f o
a
o b
e v
t
e h
m
e
e t
r / r
g e
l u
t a
r o
s a
e s
m
3
e f
t e
9 (
c 1
m
* )
6
n i
1 (
c 5
m
f )
r o
p a
l p
a i
c n
s e
<
0 1
0 ,
0 0
t B
h u
(
k 3
W
, )
2 1
n i
3 (
c 0
m
f
r o
p a
l p
a i
c n
s e
>
0 1
0 ,
0 0
t B
h u
(
k 3
<
1
0 0
0 ,
0 0
t B
h u
3 (
k 0
W
, )
6 3
n i
h c
s e
f
r o
p a
l p
a i
c n
s e
>
1
0 0
0 ,
0 0
t B
h u
3 (
6
f
e e
( t
. 1
3 8
m
* )
7
f
e e
( t
. 2
3 1
m
‡ )
2 1
n i
h c
s e
3 (
c 0
m
)
‡ *
l a
G
s a
A
d n
P
o r
a p
e n
n I
t s
l a
a l
i t
n o
A
4 5
N
a
i t
n o
l a
u F
l e
G
s a
C
o
e d
. s
k l
r o
p
v a
d e
d
i r
e v
w
y a
w
i h
h c
i
l s
c o
s i
u f
y l l
p o
n e
n o
a
m
i
i n
m
u
m
2
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
H
3 ft.
A
3 ft.
U
S
n I
2 1
n i
h c
s e
3 (
c 0
m
)
* *
6
n i
1 (
c 5
m
f )
r o
p a
)
<
0 1
0 ,
0 0
t B
h u
(
k 3
W
)
a
d n
f
r o
p a
l p
a i
c n
s e
>
0 1
9 (
c 1
m
)
<
0 5
0 ,
0 0
t B
h u
1 (
k 5
k 0
W
* )
f
r o
p a
l p
a i
c n
s e
>
0 5
e r
e v
t n
" 9
2 (
9 2
m
m
)
e r
o c
m
w
n i
o d
w
o c
d n
n e
a s
1
" 8
4 (
8 5
m
m
)
1
" 2
3 (
5 0
m
m
)
" 5
1 (
. 2
c 7
m
)
m
i
i n
m
" 6
1 (
. 5
c 2
m
)
m
i
i n
m
5 1
e f
t e
3
e f
t e
9 (
c 1
m
)
i w
h t
l b
* y
a
o b
e v
t
e h
m
e
e t
r / r
3
e f
t e
9 (
c 1
m
)
* *
6
n i
1 (
c 5
m
f )
r o
p a
)
<
0 1
0 ,
0 0
t B
h u
(
k 3
W
)
a
d n
f
r o
p a
l p
a i
c n
s e
>
0 1
9 (
c 1
m
)
<
0 5
0 ,
0 0
t B
h u
1 (
k 5
k 0
W
* )
f
r o
p a
l p
a i
c n
s e
>
0 5
3
e f
t e
9 (
c 1
m
)
a
o b
o h
z i r
n o
a t
y l l
* *
7
f
e e
( t
. 2
3 1
m
‡ )
2 1
n i
h c
s e
3 (
c 0
m
‡ )
C
d o
. e
t a
d e
e b
w t
e
n e
w t
o
i s
g n
e l
a f
m
y l i
s
d i
s e
b
n e
a e
h t
t
e h
l f
o o
: r
D
E
V
M
V
I
t s
l a
a l
i t
n o
* *
l p
a i
c n
s e
W
, )
9
n i
2 (
c 3
m
)
0 ,
0 0
t B
h u
(
k 3
W
)
a
d n
W
, )
2 1
n i
h c
s e
3 (
c 0
m
)
0 ,
0 0
t B
h u
1 (
k 5
W
)
* *
m
e
d n
d e
o t
p
e r
e v
t n
i t
n o
u
m
u
m
n i
a
e h
g i
t h
f o
5 1
e f
t e
g e
l u
t a
r o
s a
e s
m
b
y l
* *
l p
a i
c n
s e
W
, )
9
n i
2 (
c 3
m
)
0 ,
0 0
t B
h u
(
k 3
W
)
a
d n
W
, )
2 1
n i
h c
s e
3 (
c 0
m
)
0 ,
0 0
t B
h u
1 (
k 5
W
)
* *
e v
f i
i w
h t
n i
0 1
e f
t e
3 (
m
)
d
w
e
l l
n i
s g
a
d n
e s
v r
s e
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