6 4 appendix 6 4b table 1.
Floor span tables c24.
Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1.
These span tables make no additional allowance for water tanks or any other additional loads.
Where the tables do not apply or where there are concentrated loads floor joists should be designed by an engineer in accordance with technical requirement r5.
Permissible clear spans for domestic floor joists strength class c16 table 2.
Click here to download c16 span table leaflet c24 span table our premium grade of carcassing is c24 graded.
Span tables span tables can be used to determine the size of a timber member of a particular.
This should be compared to the table.
These span tables are based on the imposed loads given in bs 5268 7 1 and bs 6399 1 with an imposed uniformly distributed load of 0 25kn m acting together with a concentrated point load of 0 9 kn.
See the notes below the span tables for details.
This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.
Other span tables are based on the guidance given in bs 5268 7 1 which is a uniformly distributed load of 1 5kn m for spans greater than 2400 mm and 3 6 kn load per metre width of floor for spans less than 2400 mm to ensure that very small joist sizes do not result from the calculations for smaller spans.
Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1.
Eurocode 5 span tables for solid timber members in floors ceilings and.
Stocked at all branches click here to download c24 strength class pdf document.
This table is for a dead load of more than 0 25 but not more than 0 50 and allows for an imposed loading of no more than 1 5 kn sq m.
You need to measure the complete span of your floor joists together with the distance between them the centres and the size of the timbers.
Clear span c16 joist m clear span c24 joist m 47 x 95 47 x 120 47 x 145 47 x 170 47 x 195 47 x 220 1 77 2 40 2 89 3 38 3 87 4 36 2 04 2 75 3 47 4 20 4 93 5 66 floor joists flat roof joists assumptions at 400mm centers supporting permanent load.
Span tables for solid timber joists tables 1 and 2 in this chapter are derived from the trada technology ltd.
C16 span table only stocked at our mitcham depot.
Span tables for timber floor joists table 1.
Floor span tables c24.
Permissible clear spans for domestic floor joists strength class c24.
This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.
