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The Ultra Seam US-175  
UL 90 Rated
ASTM E-1592
ASTM E-1680
ASTM E-1646		  
The Ultra Seam US-175 Lok Seam
Ultra Seam US-175 Panel
Clip Spacing Allowable Uniform Load
Material
Gauge
Panel
Width
Steel grade D
ASTM A653 (A446)
22
12"
22
16"
22
18"
Steel grade D
ASTM A653 (A446)
24
12"
24
16"
24
18"
Aluminum Alloy
3004 H34
.040
12"
.040
16"
Aluminum Alloy
3004 H34
.032
12"
.032
16"

24"

30"

36"

42"

48"

54"

60"
446
286
198
145
111
87
70
335
215
149
109
83
65
53
298
191
132
97
75
58
47
339
217
151
110
84
66
53
254
163
113
83
63
50
40
226
145
100
73
56
44
35
152
97
67
49
37
29
24
109
70
48
35
27
21
17
98
62
43
31
24
19
15
70
45
31
23
17
13
11
   
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