The PBU panel is an exposed fastener system that can be used for both roof and wall applications. PBU can be installed directly over purlins or joists. PBU offers the versatility of being used in both vertical and horizontal applications to give designers a contemporary appearance for their building project. PBU is recommended for 1:12 or greater roof slopes.
PBU – Section Properties
NEGATIVE BENDING | POSITIVE BENDING | |||||||
Panel Gauge |
FY (KSI) |
WEIGHT (PSF) |
Ixe (IN.4/FT.) |
Sxe (IN.3/FT.) |
Maxo (KIP-IN.) |
Ixe (IN.4/FT.) |
Sxe (IN.3/FT.) |
Maxo (KIP-IN.) |
29 | 60* | 0.75 | 0.0112 | 0.0239 | 0.8579 | 0.016 | 0.0270 | 0.9714 |
26 | 60* | 0.94 | 0.0304 | 0.0514 | 1.848 | 0.0371 | 0.0374 | 1.3456 |
24 | 50 | 1.14 | 0.0214 | 0.0494 | 1.4796 | 0.0031 | 0.0555 | 1.6618 |
22 | 50 | 1.44 | 0.0301 | 0.0731 | 2.1897 | 0.0419 | 0.0754 | 2.2565 |
*Fy is 80-ksi reduced to 60-ksi in accordance with the 2001 edition of the North American Specification For Design of Cold-Formed Steel Structural Members – A2.3.2.
Allowable Uniform Loads In Pounds Per Square Foot
29 Gauge (Fy = 60 Ksi) | ||||||||
SPAN TYPE | LOAD TYPE | SPAN IN FEET | ||||||
3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | ||
SINGLE | NEGATIVE WIND LOAD | 63.5 | 35.7 | 22.9 | 15.9 | 11.7 | 8.9 | 7.1 |
LIVE LOAD/ DEFLECTION |
51.8 | 21.9 | 11.2 | 6.5 | 4.1 | 2.7 | 1.9 | |
2-SPAN | NEGATIVE WIND LOAD | 72.0 | 40.5 | 25.9 | 18.0 | 13.2 | 10.1 | 8.0 |
LIVE LOAD/ DEFLECTION |
63.5 | 35.7 | 22.9 | 15.6 | 9.8 | 6.6 | 4.6 | |
3-SPAN | NEGATIVE WIND LOAD | 89.9 | 50.6 | 32.4 | 22.5 | 16.5 | 12.6 | 10.0 |
LIVE LOAD/ DEFLECTION |
79.9 | 41.2 | 21.1 | 12.2 | 7.7 | 5.2 | 3.6 | |
4-SPAN | NEGATIVE WIND LOAD | 84.0 | 47.2 | 30.2 | 21.0 | 15.4 | 11.8 | 9.3 |
LIVE LOAD/ DEFLECTION |
74.2 | 41.7 | 22.4 | 13.0 | 8.2 | 5.5 | 3.8 | |
26 Gauge (Fy = 60 Ksi) | ||||||||
SPAN TYPE | LOAD TYPE | SPAN IN FEET | ||||||
3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | ||
SINGLE | NEGATIVE WIND LOAD | 92.5 | 52.0 | 33.3 | 23.1 | 17.0 | 13.0 | 10.3 |
LIVE LOAD/ DEFLECTION |
75.8 | 32.0 | 16.4 | 9.5 | 6.0 | 4.0 | 2.8 | |
2-SPAN | NEGATIVE WIND LOAD | 108.6 | 61.1 | 39.1 | 27.2 | 20.0 | 15.3 | 12.1 |
LIVE LOAD/ DEFLECTION |
92.5 | 52.0 | 33.3 | 22.8 | 14.4 | 9.6 | 6.8 | |
3-SPAN | NEGATIVE WIND LOAD | 135.8 | 76.4 | 48.9 | 33.9 | 24.9 | 19.1 | 15.1 |
LIVE LOAD/ DEFLECTION |
115.6 | 60.3 | 30.9 | 17.9 | 11.3 | 7.5 | 5.3 | |
4-SPAN | NEGATIVE WIND LOAD | 126.8 | 71.3 | 45.6 | 31.7 | 23.3 | 17.8 | 14.1 |
LIVE LOAD/ DEFLECTION |
108.0 | 60.7 | 32.8 | 19.0 | 11.9 | 8.0 | 5.6 | |
24 Gauge (Fy = 60 Ksi) | ||||||||
SPAN TYPE | LOAD TYPE | SPAN IN FEET | ||||||
3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | ||
SINGLE | NEGATIVE WIND LOAD | 109.6 | 61.7 | 39.5 | 27.4 | 20.1 | 15.4 | 12.2 |
LIVE LOAD/ DEFLECTION |
100.4 | 42.3 | 21.7 | 12.5 | 7.9 | 5.3 | 3.7 | |
2-SPAN | NEGATIVE WIND LOAD | 123.1 | 69.2 | 44.3 | 30.8 | 22.6 | 17.3 | 13.7 |
LIVE LOAD/ DEFLECTION |
109.6 | 61.7 | 39.5 | 27.4 | 19.0 | 12.7 | 9.0 | |
3-SPAN | NEGATIVE WIND LOAD | 153.9 | 86.6 | 55.4 | 38.5 | 28.3 | 21.6 | 17.1 |
LIVE LOAD/ DEFLECTION |
137.0 | 77.1 | 40.9 | 23.7 | 14.9 | 10.0 | 7.0 | |
4-SPAN | NEGATIVE WIND LOAD | 143.7 | 80.8 | 51.7 | 35.9 | 26.4 | 20.2 | 16.0 |
LIVE LOAD/ DEFLECTION |
127.9 | 72.0 | 43.4 | 25.1 | 15.8 | 10.6 | 7.4 | |
22 Gauge (Fy = 60 Ksi) | ||||||||
SPAN TYPE | LOAD TYPE | SPAN IN FEET | ||||||
3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | ||
SINGLE | NEGATIVE WIND LOAD | 162.2 | 91.2 | 58.4 | 40.6 | 29.8 | 22.8 | 18.0 |
LIVE LOAD/ DEFLECTION |
135.6 | 57.2 | 29.3 | 17.0 | 10.7 | 7.2 | 5.0 | |
2-SPAN | NEGATIVE WIND LOAD | 167.1 | 94.0 | 60.2 | 41.8 | 30.7 | 23.5 | 18.6 |
LIVE LOAD/ DEFLECTION |
160.5 | 91.2 | 58.4 | 40.6 | 25.7 | 17.2 | 12.1 | |
3-SPAN | NEGATIVE WIND LOAD | 208.9 | 117.5 | 75.2 | 52.2 | 38.4 | 29.4 | 23.2 |
LIVE LOAD/ DEFLECTION |
197.2 | 108.0 | 55.3 | 32.0 | 20.1 | 13.5 | 9.5 | |
4-SPAN | NEGATIVE WIND LOAD | 195.1 | 109.7 | 70.2 | 48.8 | 35.8 | 27.4 | 21.7 |
LIVE LOAD/ DEFLECTION |
185.2 | 106.5 | 58.7 | 34.0 | 21.4 | 14.3 | 10.1 |
The Engineering data contained herein is for the expressed use of customers and design professionals. Along w ith this data, it is recommended that the design professional have a copy of the most current version of the North American Specification for the Design of Cold-Formed Steel Structural Members published by the American Iron and Steel Institute to facilitate design. This Specification contains the design criteria for cold-formed steel components. Along with the Specification, the designer should reference the most current building code applicable to the project jobsite in order to determine environmental loads. If further information or guidance regarding cold-formed design practices is desired, please contact the manufacturer.
EFFECTIVE JANUARY, 2014 SUBJECT TO CHANGE WITHOUT NOTICE