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Roof space – insulation is wet

  • A leak through roofing, around a chimney, flue or other roof penetration, from an inadequately flashed parapet or an overflowing internal gutter

    How to repair

  • Leaking pipes or water tanks in the roof space

    How to repair

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Roof space dampness

  • A leak through roofing, around a chimney, flue or other roof penetration, from an inadequately flashed parapet or an overflowing internal gutter

    How to repair

  • Leaking pipes in the roof space

    How to repair

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Water pipes not insulated

  • Pipes have not been insulated. In areas subject to frost/freezing where pipes are installed above the ceiling insulation, both cold and hot water pipes should be insulated; in areas not subject to frost, hot water pipes should be insulated

    How to repair

  • Insulation has deteriorated

    How to repair

Roof space – water pipes leaking

Ceiling – water staining

Pressed metal ceiling panels have corroded

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

Wall linings – water staining

  • Leaking roof, wall or window/wall intersection, or leaking parapet or balcony

    How to repair

  • Leaking pipe in the wall due to corrosion or a nail puncturing the pipe

    How to repair

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Concrete/concrete block – stains

Tiling around showers, baths – sign of water leaks

Carpet rotten

Timber overlay flooring – boards buckling