Trussed rafter profiles

TRADA image

This information sheet gives an idea of some configurations available using trussed rafter technology. The configurations shown are not intended to be solutions to specific design requirements and some types may be unsuitable for certain span conditions. However, they are intended to show the flexibity of the system but readers are advised to discuss their particular design situations with their specialist trussed rafter supplier.


  • Examples of basic trussed rafter profiles
  • More complex trussed rafter profiles

Suggested Reading

Timber frame building: materials specificationnavigation-arrow

This Wood Information Sheet (WIS) outlines the materials normally specified for conventional timber frame buildings. Some variations will occur according to the structural design and detailing requirements of specific projects. Many of the components are also used in innovative forms of construction such as engineered stud and twin stud walls,...

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Chimney and hatch openings in trussed rafter roofsnavigation-arrow

Unless subject to special design, hatches and chimneys should be accommodated within the standard spacing between trussed rafters.

This Product Data Sheet is intended to give some ideas on how to frame around openings in trussed rafter roofs. It must be stressed that these are typical solutions to framing...

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Guidelines for the storage and erection of trussed rafters on site (Part 1).navigation-arrow

When a delivery of trussed rafters arrives on site the contractor(s) involved should be prepared and have already allocated sufficient and suitable resources to ensure the trussed rafters are unloaded safely and in a manner so as not to overstress or damage the trusses.

This information sheet gives a...

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