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Timber slat decks – water leaking into house

  • Water is tracking along the bolts used to fix the deck to the wall cladding/framing

    How to repair

  • The decking/framing is hard against wall cladding

    How to repair

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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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Roof leaks (visible as wet framing or water path stains)

Rafters or ridge beams sagging

  • Rafter spans too great for the timber size and/or roofing type, or roof framing has been overloaded

    How to repair

  • Poor quality timber, or cracked or broken timber

    How to repair

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Ceiling joists sagging

No roof underlay

  • It was common in older houses with metal roofs and houses with tiled roofs for the roofing to be installed without underlay

    How to repair

Roof underlay gaps

Roof underlay sagging

Interior musty smells

  • There is a high level of moisture in the rooms due to a combination of poor ventilation, not enough heating, and/or poor insulation

    How to repair

  • Dampness from the subfloor is getting into the rooms through gaps in the flooring and through service holes cut in framing

    How to repair

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House is draughty

Pressed metal ceiling panels have corroded

Concrete or clay tiles – roof sagging