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Moisture entry through basement walls

  • Ground moisture, seen as efflorescence or internal paint damage, moves through the basement wall because of: failure of or missing damp-proof membrane no perforated drainage pipe at the base of the wall for groundwater removal no drainage gravel above the drain, resulting in the drainage pipe becoming blocked with silt no filter fabric between the drainage gravel and drain, resulting in the drainage pipe becoming blocked with silt

    How to repair

Concrete/concrete block – stains

Concrete/concrete block – flaking paint