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  1. Joe young

    Spraying conventional sand and cement with putzmeister sp11.

    Hi I posted last week asking about spraying conventional sand and cement with a putzmeister sp11 I received a few replys thank you for replying can you tell me what ratio of sand and cement work best and also the quantity of Feb to add to the mix Thanks
  2. Joe young

    Normal sand and cement used with a sp11

    Hi there I'm looking for advice on using a normal sand and cement mix in a sp11 spray render pump do I need to use any additives to help it flow I tried it once before and added free flo but the pump kept backing up.
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