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Perlite grain size, how much is needed

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  • stonecutter
    replied
    Re: Perlite grain size, how much is needed

    Had to do the old google conversion...yeah, 5mm will be fine.

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  • Steellearning
    replied
    Re: Perlite grain size, how much is needed

    Originally posted by stonecutter View Post
    Try to get agricultural perlite instead of block fill, which is very fine.
    The company selling perlite here in Norway wants to know the grain size I would like. I'm thinking around 5 mm but thought I'd better check with the forum to make sure?
    Last edited by Steellearning; 06-29-2013, 07:40 AM.

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  • stonecutter
    replied
    Re: Perlite grain size, how much is needed

    Try to get agricultural perlite instead of block fill, which is very fine.

    Leave a comment:


  • Steellearning
    started a topic Perlite grain size, how much is needed

    Perlite grain size, how much is needed

    I need advice on the recommended perlite grain size for dome insulation.
    I'm building a 42 inch dome and would like to know how much is needed for a 4 inch layer? Would 100 ltr be enough?
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