Help needed with retaining wall waterproofing

Discussion in 'Builders' Talk' started by Samba69, Mar 13, 2022.

  1. Samba69

    Samba69 New Member

    Hi, I have built a 700 high retaining wall using hollow blocks filled with concrete.
    I backfilled with mud not realising I needed a membrane, I have dug out the back and lined with a plastic membrane the best I can.
    My question is, I intend to cover the wall with porcelain paving slabs, shall I paint a membrane to the outside (if so what would you recommend) and would the paving primer slurry take to this ok?
    Or can anyone offer another solution.
    Thanks in advance.

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