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Garden soil mulch built up against or too close to cladding

Rotted baseboards or subfloor cladding

Cracked or damaged subfloor sheet cladding

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

Dust, dirt, air-borne salt build up on wall surfaces

Staining of walls and/or eaves

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

Nails protruding on exterior walls

Plant growth inside exterior wall

  • Climbing plant(s) growing at the base of walls are sending shoots inside the wall through gaps in the cladding 

    How to repair

No gap between bottom of cladding and waterproof deck

  • It was not installed correctly when constructed – the gap has been required under E2/AS1 for building work since 1992 to allow draining and drying from behind the cladding and to provide sufficient gap so that the cladding does not absorb moisture 

    How to repair

There is no gap between the bottom of the cladding and a window/door head flashing (gap should be 5 mm)

  • It was not installed correctly when constructed – the gap has been required under E2/AS1 for building work since 1992 to allow draining and drying from behind the cladding

    How to repair

Gap between bottom of cladding and head flashing sealed

  • It was not installed correctly when constructed – the gap has been required under E2/AS1 for building work since 1992 to allow draining and drying from behind the cladding

    How to repair