Open-Grid Flooring - Steel Structures.

Open-grid proprietary systems are often the economical solution for industrial flooring and walkways, particularly where ventilation or light must be available through the flooring.They are generally available in spans up to 2.0 metres, but can be supplied to span 4.0 metres. The design allows spanning in one direction only.

Stair treads are also available. (See Fig. 30.2.)

Open-grid systems are usually manufactured in grade S275 steel, with painted or galvanized finish. Aluminium and stainless steel types are also available. Load-carrying capacities and fixing details are readily available from suppliers’ catalogues.

Open grid flooring. (a) Open bar; (b) diamond pattern; (c) expanded metal; (d) Q-grating
Fig. 30.2 Open grid flooring. (a) Open bar; (b) diamond pattern; (c) expanded metal; (d)
Q-grating

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