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The Trussed Rafter Association publishes a wide range of roof construction technical advice and product information on trussed rafters and metal web joists. Some of this information is available free of charge to all specifiers, designers, contractors, builders, manufacturers and other construction industry professionals; some is restricted to TRA members only.

A free technical helpine is also available.

How to buy?

It couldn’t be easier to buy a trussed roof or metal web joist system to meet your exact specification. Reputable manufacturers are members of the TRA.

When you choose a TRA member, you get peace of mind knowing they have been vetted and approved by the industry’s leading professional association.

Find a TRA member
Trussed Rafter Association