TRA: What is it?

The Trussed Rafter Association (TRA) is the respected voice of the trussed rafter 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, industry suppliers and professionals involved in roof design and construction.

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: Objectives

• ENCOURAGE architects, engineers and specifiers to choose trussed rafters as their preferred roofing product
• OFFER expert advice and technical information on trussed rafters
• IMPLEMENT common design and safety standards
• DEVELOP the professional status of members and their employees
• SUPPORT members through a range of services

TRA Technical Handbook

Available in A4 format, the TRA Technical Handbook has been prepared by technical specialists within TRA in liaison with organisations such as the Building Research Establishment and the Timber Research and Development Association.

The Handbook covers all aspects of trussed rafter roof design and construction in a user-friendly way, comprising 36 pages of advice and detailed drawings in full colour.

The detailed sections cover: Site storage and handling – Erection – Bracing – Tank supports – Trimming details – Ventilation – Construction details – Nailing and bolting – Glossary.

The TRA Technical Handbook is available from the TRA (remittance with order please) priced at £15.00 (inc p&p)

Downloadable Sample Pages

	TRA Technical Handbook Sample Page 7 – Handling & Erection		351 KB
	TRA Technical Handbook Sample Page 9 – Standard Bracing Conditions		492 KB
	TRA Technical Handbook Sample Page 19 – Tank Support Details		306 KB
	TRA Technical Handbook Sample Page 24 – Construction Details		485 KB

Order Form

TRA Handbook Order Form

112 KB

More Information

You can find out more by visiting the TRA website, simply click on the logo above or on the TRA logo at the bottom of any page.