“Same can be done for waffle pod systems. Good practice to use nominal 50mm bedding.”
Thats my point the granular layer under the waffle allows moisture ingress undrer the slab…

Several problems with the waffle that you don't get with Raft slabs
*Granular bedding material (used to be scoria) which allows moisture to spread under the slab.
*The block has to be…

I went to your profile and found that you are building in Jordan Springs which is not a low intensity rainfall area like Adelaide for example. A low intensity rainfall…

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