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HORIZONTAL VENT FIGURES/TABLE (CONTINUED)
T
A
B
E L
V M
H + H
I
I N
M
U
M
e f
t e
(
m
)
1
(
. 0
0 3
) 5
2
(
. 0
1 6
) 0
3
(
. 0
1 9
) 4
4
1 (
2 .
) 2
V
+
H
+
H
=
0 4
f
e e
( t
1
H
+
H
=
0 2
e f
t e
6 (
1
Short Square Termination (SV4.5HTSS) shown;
Long Square Termination (SV4.5HTSSL) may also be used;
Square Termination (SV4.5HTS) may also be used
Round Termination (SV4.5HTR) may also be used.
Figure 39
- Top Vent - TWO 90 DEGREE ELBOWS
T
A
V
M
i
i n
m
u
m
H
e f
t e
(
m
)
e f
t e
1
(
. 0
0 3
) 5
2
2
(
. 0
1 6
) 0
4
3
(
. 0
1 9
) 4
6
4
1 (
2 .
) 2
8
V
+
H
+
H
+
H
=
1
2
H
=
8
f
e e
H
+
H
+
H
=
0 2
1
2
Refer to Table 3 on page 16 for an aid in venting component selection for a
particular range of exterior wall thicknesses when using the square (SV4.5HTS),
small square (SV4.5HTSS) or the round (SV4.5HTR) termination .
Short Square Termination (SV4.5HTSS) shown;
Long Square Termination (SV4.5HTSSL) may also be used;
Square Termination (SV4.5HTS) may also be used
Round Termination (SV4.5HTR) may also be used.
Figure 40
- Rear Vent - THREE 90 DEGREE ELBOWS
T
A
B
E L
V M
I
I N
M
U
M
e f
t e
(
m
)
1
(
. 0
0 3
) 5
2
(
. 0
1 6
) 0
3
(
. 0
1 9
) 4
4
1 (
2 .
) 2
H
+
H
=
0 2
e f
t e
6 (
1
V
+
V
+
H
+
H
=
0 4
f
e e
1
1
Refer to Table 3 on page 16 for an aid in venting component selection for a
particular range of exterior wall thicknesses when using the square (SV4.5HTS),
small square (SV4.5HTSS) or the round (SV4.5HTR) termination .
Short Square Termination (SV4.5HTSS) shown;
Long Square Termination (SV4.5HTSSL) may also be used;
Square Termination (SV4.5HTS) may also be used
Round Termination (SV4.5HTR) may also be used.
Figure 41
- Top Vent - THREE 90 DEGREE ELBOWS
18
Refer to Table 3 on page 16 for an aid in venting component selection for a particular range of exterior
J
wall thicknesses when using the square (SV4.5HTS), small square (SV4.5HTSS) or the round (SV4.5HTR)
M
a
i x
m
u
m
termination .
1
e f
t e
(
m
)
5
1 (
5 .
) 2
0 1
(
. 3
) 1
5 1
4 (
6 .
) 5
0 2
(
. 6
) 2
2 1
4 .
m
)
M
a
. x
2 .
m
)
M
a
. x
B
E L
K
H
+
H
+
H
M
a
i x
m
u
m
1
2
M
a
i x
m
u
m
(
m
)
e f
t e
(
m
)
(
. 0
1 6
) 0
5
1 (
5 .
) 2
1 (
2 .
) 2
0 1
(
. 3
) 1
1 (
8 .
) 6
5 1
4 (
6 .
) 5
2 (
4 .
) 8
0 2
(
. 6
) 2
0 4
f
e e
( t
2 1
4 .
m
)
M
a
. x
( t
. 2
8 4
m
)
M
a
. x
e f
t e
6 (
2 .
m
)
M
a
. x
L
H
M
a
i x
m
u
m
e f
t e
(
m
)
5
1 (
5 .
) 2
0 1
(
. 3
) 1
5 1
4 (
6 .
) 5
0 2
(
. 6
) 2
2 .
m
)
M
a
. x
( t
2 1
4 .
m
)
M
a
. x
H 1
*When using Secure Flex,
use Wall Firestop/Spacer
SF4.5HF.
**When using Secure
Flex, use Ceiling
Firestop/Spacer
SF4.5BF.
H 2
*When using Secure Flex,
use Wall Firestop/Spacer
SF4.5HF.
**When using Secure Flex,
use Ceiling Firestop/Spacer
SF4.5BF.
H 1
*Wall Firestop/spacer
(SV4.5HF)
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
*Wall Firestop/Spacer
(SV4.5HF)
H
*Wall Firestop/Spacer
(SV4.5HF)
**Ceiling
Firestop/Spacer
(SV4.5BF)
*Wall Firestop/Spacer
(SV4.5HF)
H 1
**Ceiling Firestop/Spacer
(SV4.5BF)
V
**Ceiling Firestop/spacer
H
V 1
*Wall Firestop/spacer
(SV4.5HF)
V
H
*When using Secure Flex,
use Wall Firestop/spacer
SF4.5HF.
**When using Secure flex,
use Ceiling Firestop/spacer
SF4.5BF.
(SV4.5BF)
V
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