Trussed rafters

A beginner’s guide to metal web joists
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High performing, cost-effective floors can be easily achieved by using correctly designed and installed metal web joists. But what is a metal web joist? This article provides all the information you need to understand the form and function of these extremely useful timber products. They consist of two parallel chords,...
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Winners of the Roofscape Design Awards 2026 announced
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The Trussed Rafter Association (TRA) has announced the winners of the 2026 Roofscape Design Awards – the most diverse range of Roofscape entries yet. The Roofscape Design Awards celebrate the year’s best trussed rafter and metal web projects and the 2026 winners boast some stunning designs. The judges received a...
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Why pine is replacing spruce in UK structural timber
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The Trussed Rafter Association (TRA) recently held a webinar informing members of the changing timber species mix now entering the UK, and how it will impact the construction industry – and trussed rafters in particular. For years, spruce has been the go-to species for structural timber in the UK. With...
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Trussed Rafters
Trussed Rafters
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Trussed rafters (or roof trusses) are engineered, prefabricated structural components manufactured using a combination of structural strength‐graded timber members, connected with punched-metal plate connectors.
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