|
The 4"
Rib is an industry standard siding product. The linear rib
spacing is aesthetically pleasing. It can be produced in painted
aluminum, painted steel, bare aluminum and stainless steel
in 24 GA. and heavier.
|
Gage |
Weight #/SQR. |
I (in4/ft) |
Sp (in3/ft) |
Sn (in3/ft) |
Download |
|
24
|
136 |
0.0621 |
0.1039 |
0.1108 |
 |
|
22
|
172 |
0.0822 |
0.1423 |
0.1496 |
 |
|
20
|
205 |
0.1026 |
0.1832 |
0.1899 |
 |
|
18
|
270 |
0.1367 |
0.2571 |
0.2571 |
 |
|
Metal
Specification: 35,000 PSI Minimum Yield Strength.
|
|
Allowable
Loads
Total Uniform Load
in PSF (Dead & Alive)
|
|
Gage |
Span
Condition
|
4'0 |
4'6" |
5'0" |
5'6 |
6'0" |
6'6" |
7'0" |
7'5" |
8'0" |
8'5" |
9'0" |
9'5" |
10'0" |
10'6" |
11'0" |
11'6" |
12'0 |
|
24
22
20
18
|
Single
|
85
|
60
|
43
|
33
|
25
|
20
|
18
|
13
|
11
|
9
|
7
|
5
|
5
|
5
|
4
|
4
|
3
|
|
112
|
79
|
58
|
43
|
33
|
26
|
21
|
17
|
14
|
12
|
10
|
8
|
7
|
6
|
5
|
5
|
4
|
|
140
|
99
|
72
|
54
|
42
|
33
|
26
|
21
|
18
|
15
|
12
|
10
|
9
|
8
|
7
|
6
|
5
|
|
187
|
131
|
96
|
72
|
55
|
44
|
35
|
28
|
23
|
19
|
16
|
14
|
12
|
10
|
9
|
8
|
7
|
|
24
22
20
18
|
Double
|
155
|
110
|
82
|
60
|
45
|
35
|
30
|
24
|
20
|
17
|
14
|
12
|
10
|
9
|
8
|
7
|
6
|
|
210
|
142
|
102
|
80
|
61
|
49
|
40
|
32
|
26
|
22
|
19
|
16
|
14
|
12
|
10
|
9
|
8
|
|
260
|
182
|
132
|
100
|
75
|
60
|
48
|
40
|
33
|
28
|
23
|
20
|
17
|
15
|
13
|
11
|
10
|
|
345
|
240
|
180
|
136
|
104
|
82
|
55
|
53
|
44
|
37
|
31
|
26
|
23
|
18
|
17
|
15
|
13
|
|
24
22
20
18
|
3 or More
|
185
|
144
|
105
|
79
|
60
|
47
|
36
|
30
|
25
|
20
|
18
|
15
|
13
|
11
|
10
|
9
|
8
|
|
238
|
185
|
135
|
102
|
79
|
62
|
50
|
40
|
32
|
26
|
23
|
20
|
17
|
15
|
13
|
11
|
10
|
|
315
|
235
|
170
|
128
|
100
|
78
|
63
|
51
|
42
|
35
|
30
|
25
|
21
|
19
|
18
|
14
|
13
|
|
418
|
310
|
225
|
170
|
130
|
102
|
81
|
65
|
55
|
45
|
40
|
34
|
29
|
25
|
22
|
14
|
14
|
|