Usually carried out with a minimum of a 2 man gang, sometimes with an additional labourer. For a typical semi-detached house structure or similar... Roof Trusses 1.28 no/hr Wall Plates 2.76 m/hr Rafters 1.17 m/hr Ceiling Joists 32.10 m/hr Book traversal links for Roof Structure ‹ Timber Frameworks Up Timber frame superstructure › Log in or register to post comments