Part 1: Architect’s Guide 1 - 11 Figure 3.3 Cellular beams fabricated from hot rolled sections 3.2.2 Cold formed long products Cold formed long products, formed from thin sheet steel, are generally used as secondary members for cladding (rails) and roofs (purlins). Figure 3.4 Cold formed products – Typical sections 3.2.3 Flat products In building construction, the use of flat products is mainly for the following purposes: Steel decking for floors Roofs Cladding For each of these purposes, thin sheet steel is used, frequently formed into profiled sheets (see Figure 3.5).
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