True, I was thinking of going with icf construction method, which is why I thought i should go with WP slabs. But if WP cost $50/m3 compared to $25/m3, then…

Thanks mate. Do you also know the cheapest way to build walls? I'm too confused between 3 options; 1) ICF/zego walls 2) corrugated iron/colorbond cladding 3) ACC panels.
Option 1 doesn't…