NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
19
Note: Install second restrictor in
any run having more than 8 ft. of
vertical rise.
Note: Install second restrictor in
any run having more than 8 ft. of
vertical rise.
V
H
H1
*Wall Firestop/Spacer
(SV4.5HF)
*Wall Firestop/Spacer
(SV4.5HF)
*When using Secure Flex,
use Firestop/Spacer
SF4.5HF
**Ceiling
Firestop/Spacer
(SV4.5VF)
**Note - When using
Secure Flex, use
Firestop/Spacer SF4.5VF
Min. One Foot Vent
Section Required
V
H
H1
V1
**Wall Firestop/Spacer
(SV4.5HF)
*Ceiling
Firestop/Spacer
(SV4.5VF)
*When using Secure Flex,
use Firestop/Spacer
SF4.5VF
**When using Secure
Flex, use Firestop/Spacer
SF4.5HF
**Wall Firestop/Spacer
(SV4.5HF)
Min. One Foot Vent
Section Required
E
L
B
A
T
D
m
u
m
i
n
i
M
V
m
u
m
i
x
a
M
H
t
e
e
f
)
m
(
t
e
e
f
)
m
(
2
)
1
0
6
.
0
(
4
/
1
3
)
1
9
9
.
0
(
3
)
4
1
9
.
0
(
5
.
7
)
6
8
2
.
2
(
4
)
2
2
.
1
(
4
/
3
0
1
)
6
7
2
.
3
(
5
)
4
2
5
.
1
(
4
1
)
7
6
2
.
4
(
6
)
9
2
7
.
1
(
4
/
1
7
1
)
8
5
2
.
5
(
7
)
4
3
1
.
2
(
0
2
)
2
.
6
(
.
x
a
M
)
m
4
.
2
1
(
t
e
e
f
0
4
=
H
+
V
.
x
a
M
)
m
2
.
6
(
t
e
e
f
0
2
=
H
E
L
B
A
T
E
m
u
m
i
n
i
M
V
m
u
m
i
x
a
M
H
t
e
e
f
)
m
(
t
e
e
f
)
m
(
2
)
1
0
6
.
0
(
4
/
1
3
)
1
9
9
.
0
(
3
)
4
1
9
.
0
(
5
.
7
)
6
8
2
.
2
(
4
)
2
2
.
1
(
4
/
3
0
1
)
6
7
2
.
3
(
5
)
4
2
5
.
1
(
4
1
)
7
6
2
.
4
(
6
)
9
2
7
.
1
(
4
/
1
7
1
)
8
5
2
.
5
(
7
)
4
3
1
.
2
(
0
2
)
2
.
6
(
.
x
a
M
)
m
4
.
2
1
(
t
e
e
f
0
4
=
H
+
V
.
x
a
M
)
m
2
.
6
(
t
e
e
f
0
2
=
H
HORIZONTAL VENT FIGURES/TABLES
(continued)
Figure 31
- Top Vent - THREE 90 DEGREE ELBOWS
Figure 30
- Top Vent - TWO 90 DEGREE ELBOWS
See
Table 3 on page 18 as an aid in venting component selection for a particular range of exterior wall thicknesses.
See
Table 3 on page 18 as an aid in venting component
selection for a particular range of exterior wall thicknesses.
Square termination (SV4.5HT-2) shown.
Square termination (SV4.5HT-2) shown.
