Species southern pine douglas fir larch hem fir spruce pine fir redwood western cedars ponderosa pine red pine.
Floor joist calculator nz.
Alternatively you can use the lumberworx design tool.
The minimum mass coating of galvanising is 275g m2.
If you have any questions about how to use.
This free tool gives construction industry professionals the ability to design wall floor and roof members using the lumberworx product range.
The standard steel used is grade 250 and has a minimum yield stress of 250mpa and a minimum tensile stress of 280mpa.
The hyjoist range consists of nz made engineered i joists that are a cost effective solution for floor joists rafters and purlins in both residential and commercial construction.
Floor joists were typically 150 x 50 mm or 200 x 50 mm but the size could range between 100 x 50 mm and 250 x 50 mm according to 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.
Span tables lumberworx has created the span tables below to assist in the specification of the lumberworx members.
There are six choices.
The highest is a fully loaded floor 70 pounds per square foot.
This is how far apart they will be.
Select the on center spacing for the joists.
Also available for the android os.
Most lay outs are on 16 so the field is pre selected.
Subject to design considerations.
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.
The lowest is a plain ceiling joist with no storage 10 pounds per square foot.
Span calculator for wood joists and rafters also available for the android os.
Consisting of structural lvl flanges with a structural plywood web hyjoist is lightweight and easy to install.
Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span.
Speedfloor cold formed joists are manufactured from high strength pre galvanised steel coil conforming to as 1397.
Floor joist span calculator.