Structural use of timber. Recommendations for the calculation basis for span tables - Domestic rafters Ingestion-build-58320 it will be used by:

it will be used by:

Best practice guidelines cover:

Buildings not fitted with fire mains

comply with legal requirements

Structural use of timber. Recommendations for the calculation basis for span tables - Domestic rafters Ingestion-build-58320 it will be used by:BS 5268 7. 5: 1990 recommends a calculation basis for the permissible clear span for rafters for roofs with a slope from15 to 45. The recommendations apply to rafters at a maximum spacing of 610 mm centre to centre, this being the maximum spacing for which the load sharing assumption may be adopted as described in BS 5268 2. The method of calculation makes no allowance for any contribution of other parts of the roof to the load resistance of the