Floor Joist Span Calculator

This is how far apart they will be.

Floor joist span calculator.

The highest is a fully loaded floor 70 pounds per square foot. This demo version is fixed at 1m clear span. Usually 400 450 or 600mm but any value can be used up to 610mm max. Span calculator for wood joists and rafters also available for the android os.

There are six choices. 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. The lowest is a plain ceiling joist with no storage 10 pounds per square foot.

Select the on center spacing for the joists. 1 enter joist details 1 1 span and joist spacing. The full version allows any size. Floor joist span calculator 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.

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