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HEAVY GAUGE GALVANIZED WITH WOOD NAILING STRIP, WELDED/LEAKPROOF
MIS-1177
R
o
f o
C
u
b r
A
B
9
0
4
2
0 -
0
4
8
2
3 -
8 /
4
4
1 -
8 /
*Duct Sizing Information
Return Air Dimension "C" is length
Return Air Dimension "H" is width
MIS-1178
FIGURE 1
PREFABRICATED ROOF CURB SPECIFICATIONS
ONE PIECE CONSTRUCTION – READY TO INSTALL
CURB AND ROOF DETAILS
C
*
D
E
4
1
1 -
8 /
3
8
3 -
8 /
3
5
3 -
8 /
FIGURE 2
FIELD FABRICATED CURBING
R
o
f o
F
* J
H
*
M
o
4
4
1
4
3 -
4 /
1
9
1 -
8 /
R
H
Supply Air Dimension "C" is length
Supply Sir Dimension "J" is width
R
o
f o
M
R
H
o
o
d
A
r i
C
o
n
d
t i
o i
n
n i
g
d
l e
U
i n
s t
P
1
1
4
2
A
, 3
P
1
1
4
8
A
E
6
0
P
1
0
6
0
A
1
H
o
o
d
U
n
t i
o
d
l e
M
o
d
l e
P
1
1
4
2
A
3
H
E
6
0
P
1
1
4
8
A
1
4
4
P
1
0
6
0
A
1
Manual 2100-324
Page
5
, 1
E
7 -
8 /
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