Concrete slab alteration
You are probably likely on a 100mm residential slab, which means you are going to hit the reinforcement mesh at 50mm.
How old is the house? Is it under warranty?
Either way.…
Frame sitting off slab
Your frame is a mixture of Australian and Chinese coil.
Whilst the frame overhang isn't specifically cited in the BCA, it comes with a Reg 126 and it's span and engineering…
Hebel + Polyfoam Construction
His post is absolutely spot on.
The residential construction market is always years behind the commercial sector in regards to compliance because of the push to use the cheapest materials possible.
$200+…
Use of Structural Insulated Panels
This is an older post and this thread is slightly inactive.
But EPS is most definitely not non-combustible.
There's fire retardant versions, but definitely not non-combustible.
EPS in general is a bigger issue…