lattice beam

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lattice girder, lattice beam

An open girder in which the web consists of diagonal pieces arranged like latticework.
References in periodicals archive ?
Our product range includes mobile access towers, stair access scaffolds, foldable scaffolds, podium steps, A-shaped ladders, single-pole ladders, multipurpose ladders, warehouse ladders, aluminium beams, lattice beams, aluminium single- and double-edge couplers, and aluminium tubes."
In the 1950s Metsec moved into construction with framing for post war pre-fabricated houses and was the first to develop lattice beams and purlins as products.
These were supported by deep lattice beams and rows of columns running back into the plan.