Mighti-Rib®
Description

- Excellent for commercial and industrial applications
- 26 gauge full hard (80 ksi) steel
- Diaphragm capacity per ICBO Evaluation Report
- Standard lengths: 6'-45'
- PBR panels require a minimum slope of 1:12
- UL90 rating for PBR panels when attached to steel purlins
- Available unpainted or finished with high-performance Super Alurite® paint system
Positive Gravity Load Table (Steel)
Ga. |
Spans |
3'-0" |
4'-0" |
5'-0" |
6'-0" |
7'-0" |
8'-0" |
9'-0" |
26 |
1 |
112 |
63 |
40 |
28 |
21 |
NR |
NR |
26 |
2 |
155 |
87 |
56 |
39 |
29 |
22 |
NR |
26 |
3 |
194 |
109 |
70 |
49 |
36 |
27 |
22 |
24 |
1 |
123 |
69 |
44 |
31 |
23 |
NR |
NR |
24 |
2 |
133 |
75 |
48 |
33 |
24 |
NR |
NR |
24 |
3 |
167 |
94 |
60 |
42 |
31 |
23 |
NR |
22 |
1 |
164 |
92 |
59 |
41 |
30 |
23 |
NR |
22 |
2 |
168 |
95 |
61 |
42 |
31 |
24 |
NR |
22 |
3 |
210 |
118 |
76 |
53 |
39 |
30 |
23 |
Specifications
Download the specifications for Mighti-Rib PBR in Microsoft Word format below:
Colors
Colors shown will vary based on your monitor type and settings.
Actual metal samples are available. Due to product improvements,
changes and other factors, FABRAL reserves the right to change or
delete information herein without prior notice.
Notes:
1. * Non Standard stock may be subject to extended lead time.
2. Banner Red, Burgundy, Apothecary Blue, Pewter, Bright Silver and Bright Copper are subject to premium pricing.
Gauge |
24 |
22 |
18 |
|||
Galvalume |
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Regal White |
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Bone White |
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Stone White |
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Sandstone |
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Surrey Beige |
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Old Town Gray |
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Slate Blue |
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Colonial Red |
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Banner Red |
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Medium Bronze |
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Dark Bronze |
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Mansard Brown |
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Hartford Green |
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Musket Gray |
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Slate Gray |
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Patina Green |
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Regal Blue |
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Charcoal Gray |
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Hemlock Green |
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Classic Green |
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Matte Black |
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Terra Cotta |
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Teal |
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Burgundy |
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Apothecary Blue |
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Pewter |
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Bright Silver |
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Bright Copper |
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Documents
Warranty
- 25-year limited paint warranty for sidewalls.
- 20-year limited paint warranty for roofs.
- You may request a copy of any of our warranties for specific details.



