All Topics / Help Needed! / house slab thickness

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  • Profile photo of kgkg
    Participant
    @kg143
    Join Date: 2016
    Post Count: 1
    August 31, 2016 - 10:26 pm

    Hi
    I am planning to build a house in Perth. What is the ideal slab thickness I need to go? The land I am looking at is pretty flat. Any expert advice? Thanks in advance.

    Profile photo of David HallDavid Hall
    Participant
    @wiggles2
    Join Date: 2014
    Post Count: 66
    September 7, 2016 - 10:34 pm

    Hi KG,

    The answer will depend on the soil type. A minimum would be 100mm 25mPa. It will also go beyond just slab thickness. Your footings will need to be designed for the correct soil type as will the reinforcing steel. A Geotechnical report will be required first, before an engineer can give you the corect design. If you have high clay soil or lots of organics it can get expensive.

    I use Structerre. Cost is about $1,800 for the geotech report.

    This website will give your the basics http://howtobuildahouse.com.au/footingsystems/strip_footings/soil_clasification.html

    David Hall | The Buyers Agency
    Email Me | Phone Me

    Buyers Agent

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