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Concrete Floor thickness for block garage?

  • 03-10-2010 5:34pm
    #1
    paddy147
    Banned (with Prison Access) Posts: 15,858 ✭✭✭✭


    Hi there,what dept/thickness should I do my concrete floor in my back garden garage?

    Garage is a basic block garage and is only for the purpose of storing gardening and diy tools and other general household stuff.

    The garage floor will have steel sheet/rebar in it for some extra strength,just incase a car or something heavy is put in the garage.

    1 person said to me that 4 inches of concrete was ok,and some one else said to me 6 inches of concrete for the floor area

    So whats best??

    Thanks.:)


Comments

  • #2
    slimjimmc
    Registered Users, Registered Users 2 Posts: 7,786 ✭✭✭slimjimmc


    My driveway is 4" un-reinforced concrete, still no cracking after 15 years.


  • #3
    Martron
    Registered Users, Registered Users 2 Posts: 2,930 ✭✭✭Martron


    120 - 150 mm i would have thought.

    a shed will have a slightly different loading than the driveway. but if you have the mesh handy throw that in too. as you never know what you might want to do with the garage in the fiture.


  • #4
    RKQ
    Registered Users, Registered Users 2 Posts: 2,292 ✭✭✭RKQ


    I'd agree 100% with Matron. Also remember to whack the base - 150-225 layer of crushed stone hardcore. A good base is very important as it supports the slab.

    Well worth hiring a whacker to whack stone and sand under damp-proof-membrane (sheet of 1000guage plastic). PM for details or checkout Homebond manual.

    This drawing detail isn't perfect but its should be fine of a garage, scroll to bottom of page:- http://www.diydoctor.org.uk/projects/constructiongroundfloor.htm


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