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Concrete floor slabs – not enough ground clearance to floor level

Crack(s) in foundation walls

  • Settlement due to ground subsidence or shrinking/expansion of clay soils

    How to repair

  • Insufficient depth of footings for ground conditions

    How to repair

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Blocked ventilation openings in foundation walls

  • The soil level has been built up, covering ventilation openings

    How to repair

  • Paving covers or partly covers the ventilation openings

    How to repair

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Blocked drainage slots along bottom of drained cavity cladding

  • Gardens built up against the cladding

    How to repair

  • Build-up of dust/sand/dirt/debris from insects in the bottom of the cavity

    How to repair

Rusty nail fixings on exterior walls

  • Heads of fixings are not protected by putty where punched and stopped 

    How to repair

  • Incorrect fixing type used for environmental conditions, cladding type or finish 

    How to repair

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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

No head flashing to window/door openings

  • It was not installed when constructed – for a period during the 1970s and 1980s sealant was sometimes used rather than a metal head flashing 

    How to repair

Painted timber weatherboards – paint chalking

  • Weathering, UV light exposure – chalking will be more visible with darker colours

    How to repair

Painted timber weatherboards – paint failure at base of walls

  • Cladding covered by soil/foliage

    How to repair

  • The back surface of boards is too close to the ground, not sealed and absorbing moisture

    How to repair

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Cupping of timber weatherboards

Rot in timber weatherboards

  • Timber is or has been continuously damp

    How to repair

  • Timber was inadequately treated – radiata pine must be treated to H3.1 if painted and H3.2 if installed unpainted or stained

    How to repair

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Uneven weathering of clear-finished timber weatherboards

  • Weatherboards having different levels of exposure to weather – for example, protection from eaves or verandah roof 

    How to repair

  • Stain or clear finish has little or no pigments 

    How to repair