Floor Joist Caculator

This is how far apart they will be.

Floor joist caculator.

While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator. Floor joist span calculator. Home joist span. 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.

The screw count is a bit high at times but this will allow for losing some. Domestic floor joist calculator. Home joist span calculator. For help simply click on the beside the section you need help with or watch this tutorial video.

The highest is a fully loaded floor 70 pounds per square foot. Species southern pine douglas fir larch hem fir spruce pine fir redwood western cedars ponderosa pine red pine. Also available for the android os. 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 calculator matches up with 90 of the applications in the 2012 international residential code book. Usually 400 450 or 600mm but any value can be used up to 610mm max. Calculations to bs 5268 2 2002. Joist size 2x8 2x10 2x12.

No matter what the specs say. It has been my experience to never use a beam smaller than a two ply 2 x 8. The full version allows any size. Select the on center spacing for the joists.

The lowest is a plain ceiling joist with no storage 10 pounds per square foot. Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. Most lay outs are on 16 so the field is pre selected. This is the distance between joist centres.

1 enter joist details 1 1 span and joist spacing. These small areas are usually door opening on the interior and people are trained that these areas are the strongest. On center joist spacing 12 16 24 overhang. Span calculator for wood joists and rafters also available for the android os.