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Roof trusses

Double Howe truss

A double Howe truss extends the Howe pattern with extra verticals and diagonals, for long spans and heavy loads.

Also known as double howe, double howe truss, double howe roof truss

Like the Howe truss it uses verticals together with diagonals that slope towards the centre, but with more panels across the span. That shortens every chord segment and suits long spans, heavy roof loads or trusses that also carry a ceiling or plant.

It is found in agricultural and commercial buildings as well as in wide residential roofs.

Related terms
Howe trussA Howe truss has vertical webs and diagonals that slope towards the centre, a pattern used for longer spans and heavier loads. Double fink trussA double fink truss doubles the W web pattern of a fink truss, adding webs so the truss can span further or carry heavier loads. Girder trussA girder truss is a strengthened, often multi-ply truss that carries the load of other trusses or of a point load.
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