Century Rib





Century Rib
Economical and easy-to-install, AGWAY’s Century Rib profile is our most popular product for agricultural roof applications. Available in a wide range of colours, Agway’s Century Rib profile, combined with available trims, vents, fasteners and other accessories, provides a complete roofing solution for any project.


1. Steel conforms to ASTM A653.
2. Section properties are in accordance with CSA-S136-07.
3. Values in row “S” are based on strength.
4. Values in row “D” are based on a deflection limit of 1/180 of the span.
5. Web crippling not included in strength values. See example calculation in notes to designer.
6. Contact the sales department for stocked colours and gauges.
7. The load table contained on this data sheet was prepared by Dr. R.M. Schuster P.Eng. Professor Emeritus of Structural Engineering, University of Waterloo, Ontario, Canada.
Base Steel Thickness |
Weight G90 |
Yield Stress |
Section Modulus |
Deflection Moment of Inertia |
|
---|---|---|---|---|---|
Mid Span | Support | Mid Span | |||
in | psf | ksi | in3 | in3 | in4 |
0.0120 | 0.64 | 33 | 0.0108 | 0.0091 | 0.0078 |
0.0135 | 0.71 | 80 | 0.0121 | 0.0099 | 0.0088 |
0.0180 | 0.93 | 33 | 0.0161 | 0.0144 | 0.0117 |
0.0240 | 1.22 | 33 | 0.0213 | 0.0199 | 0.0155 |
Base Steel Thickness |
Mass Z275 |
Yield Stress |
Section Modulus |
Deflection Moment of Inertia |
|
---|---|---|---|---|---|
Mid Span | Support | Mid Span | |||
mm | kg/m | MPa | x 103 mm3 | x 103 mm3 | x 106 mm4 |
0.305 | 3.11 | 230 | 0.581 | 0.487 | 0.0102 |
0.343 | 3.46 | 550 | 0.653 | 0.530 | 0.0115 |
0.457 | 4.52 | 230 | 0.865 | 0.775 | 0.0153 |
0.610 | 5.94 | 230 | 1.14 | 1.07 | 0.0204 |