About Trussed Rafter Association
The Trussed Rafter Association represents over 65% of the trussed rafter and metal web joist industry in the UK and Ireland.
The Trussed Rafter Association (TRA) represents over 65% of the trussed rafter and metal web joist industry in the UK and Ireland. Members include the principal manufacturers of trussed rafters, metal web joists, suppliers and professionals involved in roof truss and engineered wood floor joist design and manufacture.
The TRA offers advice and guidance on technical issues, training and health and safety. It collaborates with key organisations in the housebuilding industry to raise standards and to advise housebuilders on trussed rafters and related products.
Contributions
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
Gasholders: a history in pictures. Book review.
Recognition, influence and growth
SocEnv identifies three strategic pillars in new strategy to 2045.
Discover the future of roofing, cladding and insulation.
New guidance for professional practice, cultural change and regulation in social housing.
The heritage of nuclear and conventional power stations.
New measures to stop people being ripped off
Government to protect families from cowboy builders and aggressive bailiffs.
New Futurebuild showcase brings an innovation-first approach.
National Planning Policy Framework
Understanding the 2026 changes.
ECA's public affairs priorities
Member consultation opens to shape priorities for 2027 to 2030.
Dutyholder responsibilities from 1 July 2026.
Where performance meets practice
The Building Envelope Stage at UKCW Birmingham.
CIAT publishes briefing on planning reforms.

















