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Waterproof decks – water leaking into the house

  • The threshold from the house down to the waterproof deck or balcony is not deep enough

    How to repair

  • The deck membrane is not turned up enough (150 mm minimum) behind the bottom of wall and solid barrier cladding 

    How to repair

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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

Tiling around showers, baths – sign of water leaks

Carpet rotten