The Trussed Rafter Association
Voice of the Trussed Rafter Industry
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Who Are We? 

The TRA is the respected voice of the trussed rafter and metal web joist industry in the UK. The Association is committed to stringent standards of quality and service and sets a professional benchmark for the industry.

Members include the principal manufacturers of trussed rafters, metal web joists, suppliers and professionals involved in roof and floor design and construction.

The TRA requires all its manufacturing members to have third-party supervised Quality Assurance and Professional Indemnity insurance so helping to ensure quality and peace of mind for the customer.

TRA: Our objectives

 

Trussed Rafters

Trussed rafters stand out as a sophisticated and highly-engineered product, with superior fabrication underpinned by high production standards. They are more flexible and more cost effective than many other methods of roof construction.

Metal Web Joists

With metal-web joists, not only can the floor span further than with conventional joisting methods, but the speed of installation both of the floor itself and the subsequent services in the floor zone is much faster.
 

Chain of Custody

Companies are independently assessed against “chain of custody” standards to demonstrate they can supply wood productsderived from sustainable forests.Two frameworks oversee  development of forest certification, these are Forest Stewardship Council (FSC),  Programme for Endorsement of Forest Certification (PEFC)

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