In a freestanding structure up to 50% of the posts can be flanged.
Flanged posts can be 75mm, 90mm or 100mm.
The remaining posts must be into footings or core drilled and must be diagonally opposite the flanged posts.
Flanged posts can only be used if the uplift on the slab is satisfactory (130mm edge thickness normal wind, 150mm edge thickness cyclonic).
Post on deck, joist, or trimmer, or using an internal connector on a slab allowed for attached structures only.
For more information, please contact your Lysaght representative.