The Trussed Rafter Association
Voice of the Trussed Rafter Industry

Benefits of Trussed Rafters

  • Suitable for a wide range of roof structures and building types
  • Speed of construction allows just-in-time delivery to site
  • Space saving - no on-site storage area required
  • Prefabricated components mean reduced labour costs
  • Up to 40% more energy efficient than traditional construction methods
  • More thermally efficient than alternative materials such as aluminium, steel or concrete
  • Made of timber, the only truly renewable building resource
  • Low-tech manufacturing process reduces emissions and pollution
  • Minimal environmental impact from installation

Picture courtesy of Thomas Armstrong Ltd

Trussed rafters are individually designed components made from kiln-dried, strength-graded timber joined together with steel nailplates. They provide a structural framework to support the roof fabric, ceilings and /or floors.

 Trussed rafters can be used on a wide range of building types including timber frame, masonry and steel frame. Although most commonly used for domestic housing they are increasingly chosen for commercial and industrial buildings such as offices, shops, hotels and leisure centres.

 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.

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