Browse Forums Building A New House Re: H Class slab v M Class - how to spot difference 3Jun 07, 2013 2:34 pm Our slab is an H2. We were told that the steel going through the slab was a lot thicker than normal. I think for memory they were 16mm thick. It is also a very thick slab, not sure if this is because its a H2. We were on site when they formed up and the concertos confirmed what the slab was, but in saying that I could not tell from looking at it what type of slab it was Modified Fernside 38 Rawson Homes Blog: http://www.thehousethatmatandjenbuilt.blogspot.com Build Thread: https://forum.homeone.com.au/viewtopic.php?f=31&t=60501 6 4360 The Soil classification has little to do with piers. The purpose of the classing of the soil is to identify the clay content and the "average expected range of movement… 2 9863 I am not sure whether Perth has its own way of doing things in regards to this. Most of Perth has class A (sandy soil), except for some areas near rivers or hills. 2 13106 |