Floor Joist Span Calculator

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Floor joist span calculator.

There are six choices. Also available for the android os. This is how far apart they will be. This demo version is fixed at 1m clear span.

Span calculator for wood joists and rafters also available for the android os. Domestic floor joist calculator. This is the distance between joist centres. The highest is a fully loaded floor 70 pounds per square foot.

Beam span deck framing beams floor joist span tables calculator span unsupported floor ceiling joists continuous vs single span joists jlc deck floor joist span chart cabin cantilever length restrictions in forte. Most lay outs are on 16 so the field is pre selected. Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. The full version allows any size.

Usually 400 450 or 600mm but any value can be used up to 610mm max. The lowest is a plain ceiling joist with no storage 10 pounds per square foot. Calculations to bs 5268 2 2002. Select the on center spacing for the joists.