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Garden soil mulch built up against or too close to cladding

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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Rust stains on concrete/concrete block foundation walls

  • Poor quality concrete absorbing water that rusts the reinforcing, which in turns causes the concrete to spall or crack, allowing in more water 

    How to repair

  • The reinforcing was installed too close to the outer surface of the concrete

    How to repair

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Drummy plaster in foundation walls

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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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

Moss, mould or lichen on exterior walls

Staining of walls and/or eaves

Rusting flashings and metal components

  • Air-borne salt, dust or dirt accumulating under flashings and metal components

    How to repair

  • Zinc (galvanizing) or aluminium/zinc or zinc/aluminiuim alloy coating has been scratched or eroded, exposing steel

    How to repair

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