Floor Joist Caculator

This calculator matches up with 90 of the applications in the 2012 international residential code book.

Floor joist caculator.

Span calculator for wood joists and rafters also available for the android os. Joist size 2x8 2x10 2x12. It has been my experience to never use a beam smaller than a two ply 2 x 8. The lowest is a plain ceiling joist with no storage 10 pounds per square foot.

These small areas are usually door opening on the interior and people are trained that these areas are the strongest. This demo version is fixed at 1m clear span. Domestic floor joist calculator. Home joist span calculator.

Calculations to bs 5268 2 2002. The screw count is a bit high at times but this will allow for losing some. The highest is a fully loaded floor 70 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.

Select the on center spacing for the joists. 1 enter joist details 1 1 span and joist spacing. Home joist span. This simple sub floor materials calculator will provide you with the lineal feet of floor joist needed the number of sheaths to cover the floor and how much glue and how many screws it takes to attach the sheathing to the joist.

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. There are six choices. 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. Species southern pine douglas fir larch hem fir spruce pine fir redwood western cedars ponderosa pine red pine.

No matter what the specs say. Floor joist span calculator. Usually 400 450 or 600mm but any value can be used up to 610mm max. This is the distance between joist centres.

The full version allows any size. For help simply click on the beside the section you need help with or watch this tutorial video. Also available for the android os. Most lay outs are on 16 so the field is pre selected.