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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

Zinc roofing – holes

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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Condensation forming on windows

  • High levels of moisture within the rooms due to a combination of poor ventilation and not enough heating, poor insulation 

    How to repair

  • Subfloor dampness getting into the rooms through gaps in the flooring and through service holes cut in framing

    How to repair

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Ceiling mould/mildew growth

  • Condensation forms on the ceiling because the roof space is not insulated - mould growth is the result of regular condensation occurring 

    How to repair

  • Not enough fresh air ventilation to the space

    How to repair

Ceiling mould/mildew growth adjacent to the external walls

  • Condensation forms on the ceiling because the roof space insulation has not been taken to the eaves 

    How to repair

Ceiling framing location visible on the ceiling

  • Condensation forms on the ceiling along the lines of the cold bridges formed by the framing in an insulated roof space - mould growth is the result of regular condensation 

    How to repair

  • Condensation forming on areas of ceiling where there is no framing in an uninsulated ceiling 

    How to repair

Ceiling – water staining

Timber board or plywood ceilings – black staining of timber

  • Condensation and mould growth forming on ceiling because the roof space is not insulated

    How to repair

  • Leak(s) in the ceiling

    How to repair

Wall linings generally – mould/mildew growth

  • Condensation forming regularly because the wall is not insulated, the house is not sufficiently heated and/or internal moisture levels are too high 

    How to repair

Wall framing location is visible

  • Condensation forming on the areas between the framing because the wall is not insulated – mould growth is the result of regular condensation

    How to repair

  • Mould is forming on the framing locations because a thermal bridge (framing has lower thermal performance than the insulated part of the wall)

    How to repair