Free UK Span Tables for Floor Joists, Ceiling Joists, Flat Roof Joists, Rafters, Purlins - Timber Beam Calculator
Rafter Span Tables for Surveyors - Roof Construction | Right Survey
Span Tables: for solid timber members in floors, ceiling and roofs for dwellings: Amazon.co.uk: Timber Research and Development Association: 9781900510592: Books
Rafter Span Tables for Surveyors - Roof Construction | Right Survey
Rafter Span Tables for Surveyors - Roof Construction | Right Survey