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Waterproofer / plasticiser volume

Discussion in 'Plastering and Rendering' started by Markathorpe84, 16 Aug 2020.

  1. Markathorpe84

    Markathorpe84

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    Hi,
    Getting ready to have my first sand/cement render attempt (DIY) - I’ve got so much useful info from you all but have one final stupid question I can’t seem to get an answer to.

    My waterproofer and plasticiser both state quantities based on the amount of cement used - eg per 25kg bag - is this as simple as it sounds, or is is per 25kg of mixed render/mortar?

    Can’t quite Wrap my head around The fact a mix with more sand would therefore mean less waterproofer in the bucket overall that a much more cement based mix - stupid question, sorry!
     
  2. bennymultifinish

    bennymultifinish

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    what are the specific instructions on the product?
     
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  4. lostinthelight

    lostinthelight

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  5. Markathorpe84

    Markathorpe84

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    Ahh, looks like it’s the same product too! 85ml and it’s def Bostik! Thanks
     
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