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Framing outline is visible on the cladding on cold mornings

  • Condensation is forming on cladding where there is insufficient or no insulation – when walls are uninsulated or have insufficient insulation, the area of cladding between the wall framing may become colder than where the cladding is fixed to the framing resulting in condensation forming on the cladding in a pattern. 

    How to repair

  • Condensation forming at the framing locations when the wall is well insulated - this means that, due to thermal bridging, the framing is colder at the framing locations than where there is no framing, so moisture condenses at the framing locations 

    How to repair

Subfloor – no insulation

  • Insulation was not a requirement when the house was built; insulation was required but never installed; the insulation has fallen out; the insulation has been blown out by wind

    How to repair

Subfloor – poorly installed insulation

  • Insulation was incorrectly installed, with gaps and spaces, or has been damaged by tradespeople

    How to repair

  • Wind damage

    How to repair

Subfloor – reflective foil only installed

  • Reflective foil was commonly used when the house was built; the foil has become dirty and tarnished which reduces its effectiveness

    How to repair

  • Foil is damaged (usually by wind); there is no still air space between foil and floor – air blowing through the gap makes insulation ineffective

    How to repair

Pole foundations – subfloor insulation damage

  • The insulation was incorrectly installed; there are gaps between the insulation and subfloor framing 

    How to repair

  • There was no sheet lining under the insulation, and it has been damaged or blown out by wind or has been damaged by tradespeople

    How to repair

Pole foundations – water damage to underside of flooring

Subfloor services – damaged wiring

Wiring passing through polystyrene subfloor insulation

  • Incorrect installation – over long periods, polystyrene can damage electrical cabling

    How to repair

Roof space – no insulation

  • Insulation was not a requirement when the house was built (or has never been installed)

    How to repair

  • Loose-fill insulation has been shifted by wind or activity by house occupants or tradespeople, or insulation has been removed when work done on the house

    How to repair

Roof space insulation has gaps, creases, folds or areas missing

  • Poor initial installation

    How to repair

  • Insulation has become displaced due to air movement/wind in the roof space/occupant activity – this typically occurs with loose-fill, blown-in insulation

    How to repair

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Roof space – insulation is touching the flexible roof underlay

  • This is likely to occur at the edges of the roof, particularly with low pitched roofs, where roof framing does not have enough depth to provide space for the insulation

    How to repair

  • The insulation has become displaced due to air movement/wind in the roof space/activity by occupants or tradespeople – typically occurs with loose-fill, blown-in insulation

    How to repair