Floor Joist Size Australia

Build a single storey house on a slab and you don t need joists.

Floor joist size australia.

Dindas joists are strong light weight easy to install and available in a wide range of sizes. By rounding up you add an extra floor joist to your deck which decreases the size of your floor joist spacings. When i first started getting interested in houses the standard joist was a solid timber section something you rarely see these days. Joists that sit below end matched joints must be at least 35mm thick.

Spacing should be interpreted as the centre to centre distance between adjacent parallel members. This in turn ensures your deck complies with your approved deck plans to read some example disasters where diyers have not complied download your free copy of the 15 common deck construction mistakes. The joists can be longer or shorter as required by space and size and are typically spaced at either 450mm or 600mm apart. The floor joist spacing is the distance between the centers of any two installed joists.

See the image below for an example of joists spaced 16 on center 16 o c. Our joists give you more options for designing economical floor joist layouts. But if you have a suspended floor or you have a two storey house your structure will need joists. The thickness of flooring joists themselves will be determined by what s going on top of them.

Required size for a given span.