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Sliding doors won't fully open

  • There is an obstruction preventing them from opening 

    How to repair

  • For older units, there is wear on the rollers or track 

    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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Rust on alloy-coated pre-finished steel roofing

  • Paint failure and subsequent erosion of or scratching damage to the zinc/aluminium or aluminium/zinc alloy coating, exposing the steel

    How to repair

  • Roofing material is in contact with or has run-off from cedar or redwood, or timber treated with a copper-based preservative treatment 

    How to repair

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Corrosion: red rust on galvanised mild steel cladding

  • Galvanised coating has eroded to expose bare metal

    How to repair

  • Profiled metal cladding is in contact with or has run-off from cedar or redwood, or timber treated with copper-based preservative treatment 

    How to repair

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Red rust on zinc/aluminium or aluminium/zinc alloy-coated steel

  • Corrosion of the steel when zinc/aluminium alloy coating has eroded to expose the steel

    How to repair

  • Cladding material in contact with or has run-off from cedar or redwood, or timber treated with a copper-based preservative treatment 

    How to repair

  • View all repairs

Windows – opening sashes don't open freely

Windows – draughts

Windows – leaks

Aluminium, timber or PVC sliding window – sticks/difficult to open