Domestic floor joist calculator.
Floor joist span calculator uk.
Span calculator for wood joists and rafters also available for the android os.
Designing with wood beam span tables.
Most lay outs are on 16 so the field is pre selected.
These span tables are the equivalent of other industry standard span tables and are calculated to the same standards.
Floor joist span calculator.
Use the joist span and spacing calculator below to plug in your desired type of wood the size of your joists and the required spacing between each joist.
These spans were calculated using our floor joist calculation engine.
Surveyors and structural engineers use data from tables below to help calculate the size of timbers necessary to give adequate support to timber floors.
Span tables for domestic floor joists to bs 5268 7 1 note.
Usually 400 450 or 600mm.
This table uses commonly available uk regularised timber depths.
To use the joist span calculator below first select the species of lumber you will use for your construction project from the drop down list.
This is how far apart they will be.
The lowest is a plain ceiling joist with no storage 10 pounds per square foot.
This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
This demo version is fixed at 1m clear span.
Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1.
1 enter joist details 1 1 span and joist spacing.
Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span.
Calculations to bs 5268 2 2002.
Try our interactive span checker to find the posi joist suitable for your project.
The highest is a fully loaded floor 70 pounds per square foot.
You will be given a range of depths and centres that are available and also an indicative deflection result.
Also available for the android os.
This span table is to the format and methodology given in bs 5268 7 1.
Floor joist span tables for surveyors floor construction.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
There are six choices.
Select the on center spacing for the joists.
Simply enter the required span to see a range of results that will work.
Suitable for uk building regulation approval.