Extruded Aluminum Joist

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Extruded Aluminum Joist

The first component of the conventional metal system is the alumi­num joist. The extruded aluminum joist takes the shape of a modi­fied I beam with a formed channel in the top flange in which a wood nailer strip 2 X 3 in. (50.8 X 76.2 mm) is inserted; the ply­wood deck is then nailed to the nailer strip. Figure 2.6 shows two different shapes of extruded aluminum joist.

Updated: 27 августа, 2015 — 10:51 дп