Polystyrene for drainage?

Discussion in 'Landscaping and Outdoors' started by Cameron Price, Feb 22, 2021 at 5:13 PM.

  1. Cameron Price

    Cameron Price New Member

    I've bought a new build house (I know), and the drainage in the back garden is non-existent. I have a very small gravel channel from my drive running under the fence to the patio. I've just dug this away to see if there's a sort of drain under the chippings and all I found was polystyrene amongst all the muck. Does anyone know what purpose this serves or is it bad workmanship?
     
  2. koolpc

    koolpc Screwfix Select

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