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    Cavity lean mix








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    Cavity lean mix

    Postby Dorset » Sun Apr 05, 2009 9:19 am

    Hi,

    I have to put a lean mix into the bottom of the cavity 225mm below DPC.

    I am unsure on what a lean mix is. is it sand and cement or ballast and cement and what ratios are used.

    Your help once again is mucho appreciated
    Dorset
     
    Posts: 2
    Joined: Wed Mar 25, 2009 11:18 am
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    Postby elwood » Thu Apr 09, 2009 11:12 am

    Hi

    When ordering ask for concreting ballast.

    A lean mix is a dry weak mix

    Bye
    elwood
     
    Posts: 84
    Joined: Sun Jan 18, 2009 9:31 pm
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