Span calculator for wood joists and rafters also available for.
Roof joist spacing calculator.
Live load psf dead load psf span calculator for wood joists and rafters available for the iphone.
Spacing in exterior exposure.
1 enter joist details 1 1 span and joist spacing.
Click on a span to generate a full calculation you can adjust the exact span.
The full version allows any size.
Spacing in live load psf dead load psf exterior exposure.
Span calculator for wood joists and rafters available for the iphone.
Find the column for your dead load and spacing and the row for your timber size to find the permissible clear span in metres.
This span table is to the format and methodology given in bs 5268 7 2.
Flat roof joist calculator.
Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.
Span calculator for wood joists and rafters also available for the.
Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof.
This is the distance between joist centres.
Usually 400 450 or 600mm but any value can be used up to 610mm max.
These spans were calculated using our flat roof joist calculation.