Knowledge Centre

Information and guidance provided by industry experts and free to use.

Timber Roofing

CPD for Architects & Designers

Building with Wood

Within the RIBA-accredited Building with Wood module you will find an extensive section that describes traditional and engineered timber roofing systems, their benefits, regulations and standards, including providing indicative span tables.


About this publication
Now with lay-flat wire binding, BM TRADA’s Eurocode 5 Span Tables is a well-established key resource in timber specification and building. It is an essential tool for calculating the size of solid, softwood timber members necessary to give adequate support to floors, ceilings and roofs in dwellings.

The tables cover softwood species and grade combinations which satisfy strength classes C16 and C24.

Eurocode 5 Span Tables 4th edition for solid timber members in floors, ceilings and roofs for dwellings.

Available from the TRADA website to both members and non-members.

Your free calculator for span tables, quantities, volumes, surface areas and angles:

  • Span tables
  • Calculating quantities
  • Tools
  • Range
  • Moisture
  • General information
  • Preservative treated wood
  • Treated timber
    – and much more!

Trä! Architecture Magazine Online