This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.
Timber floor joist span tables uk.
These spans were calculated using our floor joist calculation engine.
Span tables for domestic floor joists to bs 5268 7 1 note.
This table uses commonly available uk regularised timber depths.
Floor joist span tables for surveyors floor construction.
Wane as allowed in bs 4978 2007 a2 2017 is permitted in all sections included in these span tables.
The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction.
Read the notes at the bottom of the table for assumptions references and related standards.
Span tables determine the size of a timber member of a particular strength class required for a given span as well as the maximum spacing between each section or timber member.
Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1.
These span tables are the equivalent of other industry standard span tables and are calculated to the same standards.
Joists are to have minimum end bearing of 40mm.
Timber to be covered these span tables do not apply to timber which is fully exposed to the elements.