Our joists give you more options for designing economical floor joist layouts.
Floor joist size australia.
The thickness of flooring joists themselves will be determined by what s going on top of them.
But if you have a suspended floor or you have a two storey house your structure will need joists.
Roof load width rlw and floor load width flw can be determined from as1684 or from the images below.
The floor joist spacing is the distance between the centers of any two installed joists.
Dindas joists are strong light weight easy to install and available in a wide range of sizes.
Engineered i joists from dindas are cost effective and lightweight perfect for residential and commercial construction.
Required size for a given span.
Build a single storey house on a slab and you don t need joists.
When i first started getting interested in houses the standard joist was a solid timber section something you rarely see these days.
Spacing should be interpreted as the centre to centre distance between adjacent parallel members.
The joists can be longer or shorter as required by space and size and are typically spaced at either 450mm or 600mm apart.
By rounding up you add an extra floor joist to your deck which decreases the size of your floor joist spacings.
See the image below for an example of joists spaced 16 on center 16 o c.