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Timber and steel windows – paint failure: peeling/flaking

  • Thermal expansion and contraction of the frame

    How to repair

  • Loss of adhesion due to excess moisture in frame

    How to repair

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Timber windows – rotted sash

Timber windows – rotted sill

  • Water sits on the sill if the slope is not sufficient to shed it 

    How to repair

  • Water is getting into the sill/jamb junction 

    How to repair

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Timber windows – joints opening in sashes

  • The sash has racked (twisted), or there has been thermal expansion/contraction of the timber

    How to repair

  • There has been moisture absorption into the timber end grain if the joints were inadequately primed before installation

    How to repair

Timber door finish has deteriorated

  • The door finish was not suitable for an exposed location – many external doors are only suitable for use in sheltered locations

    How to repair

  • Lack of maintenance (repainting or re-staining)

    How to repair

Door is difficult to open or close

Steel windows – rusted frames

Steel windows – paint failure: peeling/flaking

  • Corrosion caused by moisture getting under the paint 

    How to repair

Rust on zinc/aluminium or aluminium/zinc alloy-coated steel roofing

  • Erosion of or scratching damage to the zinc/aluminium or aluminium/zinc alloy coating, exposing the steel

    How to repair

  • Lack of rain washing. Rain washing tends to be less effective on roofs with less than 15 degrees slope

    How to repair

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