Re: Waffle pod slabs2
Aug 06, 2012 10:47 am
Hmmm lots of differences of opinion... for me I want the slab in contact with the earth for thermal mass.
We will see what others have to say.
Where you are coming from is where you are going to...
Re: Waffle pod slabs3
Aug 06, 2012 12:25 pm
Three things that come to mind for waffle pod slabs is that they are stiffer, quicker to build and cheaper.
Things against: polystyrene is termite friendly and if you jack up a car in garage, jack could punch through.
I have seen hundreds of slabs in service and being constructed. Conventional raft slab and waffle can equally be satisfactory and can equally fail because of slab heave.
In either case where there is a failure it is not the design but negligence in construction
For my money I prefer conventional raft slab.
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