Floor Joist Span Calculator Uk

This span table is to the format and methodology given in bs 5268 7 1.

Floor joist span calculator uk.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Also available for the android os. Floor joist span tables for surveyors floor construction. Span calculator for wood joists and rafters also available for the android os.

Domestic floor joist calculator. The full version allows any size. Floor joist span calculator. Calculations to bs 5268 2 2002.

Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. Span tables for domestic floor joists to bs 5268 7 1 note. There are six choices. These spans were calculated using our floor joist calculation engine.

Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. This is the distance between joist centres. Species southern pine douglas fir larch hem fir spruce pine fir redwood western cedars ponderosa pine red pine. Simply enter the required span to see a range of results that will work.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. This is how far apart they will be. The lowest is a plain ceiling joist with no storage 10 pounds per square foot. These span tables are the equivalent of other industry standard span tables and are calculated to the same standards.

This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance. Try our interactive span checker to find the posi joist suitable for your project. You will be given a range of depths and centres that are available and also an indicative deflection result. This demo version is fixed at 1m clear span.

Select the on center spacing for the joists. 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. Surveyors and structural engineers use data from tables below to help calculate the size of timbers necessary to give adequate support to timber floors.

The highest is a fully loaded floor 70 pounds per square foot. Most lay outs are on 16 so the field is pre selected. Designing with wood beam span tables. 1 enter joist details 1 1 span and joist spacing.