Roof deck is essentially the structural component of the roof to transfer the load to the supports – typically steel joists or beams.
This lists the main functions of roof deck:
- Encloses Building from Wind
- Provides Fire Resistance as Part of UL Assembly
- Structural Base of Roof Membrane
- Resists Dead, Snow, Roof Live, Seismic and Wind Loads
- Transfers Wind and Seismic Loads to Vertical Components of Lateral Force Resisting Systems through Diaphragm Action
- Roof Deck Not Intended to Be Watertight in Any Circumstance!!
Roof Deck 3" Type NS:
- "N" deck is generally known as "deep rib" deck
- The deeper profile allows it to span longer distances or carry more load.
- 3” deep
- Comes in 24” coverage
- UL Approved
- FM Approved
GAGE | 22 | 20 | 18 | 16 |
---|---|---|---|---|
GAGE THICKNESS (in.) | 0.0295 | 0.0358 | 0.0474 | 0.0598 |
WEIGHT (PSF) | 2.1 | 2.5 | 3.3 | 4.1 |
SECTION PROPERTIES PER FOOT OF WIDTH(SEE LAYOUT FOR GAGES USED)
GAGE | 22 | 20 | 18 | 16 |
---|---|---|---|---|
Ip (in.4) | 0.59 | 0.76 | 1.10 | 1.51 |
In (in.4) | 0.81 | 1.00 | 1.35 | 1.71 |
Sp (in.3) | 0.34 | 0.45 | 0.64 | 0.84 |
Sn (in.3) | 0.37 | 0.49 | 0.69 | 0.89 |
FAQs
For more information on this product please view our Frequently Asked Questions page.