Floor Joist Cantilever Calculator

Floor cantilevers constructed in accordance with table r502 3 3 1 shall be permitted where supporting a light frame bearing wall and roof only.

Floor joist cantilever calculator.

Also available for the android os. Joist size 2x8 2x10 2x12. Home joist span. The highest is a fully loaded floor 70 pounds per square foot.

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. Span calculator for wood joists and rafters also available for the android os. You must use at least five framing nails to attach the rim joist to the ends of your joists. Floor cantilever spans shall not exceed the nominal depth of the wood floor joist.

There are six choices. Floor cantilevers supporting an exterior balcony are permitted to be constructed in accordance with table r502 3 3 2. This is how far apart they will be. Species southern pine douglas fir larch hem fir spruce pine fir redwood western cedars ponderosa pine red pine.

The lowest is a plain ceiling joist with no storage 10 pounds per square foot. Select the on center spacing for the joists. Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. Home joist span calculator.

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. Many building departments limit joist cantilevers to 24 maximum. Most lay outs are on 16 so the field is pre selected.

On center joist spacing 12 16 24 overhang.