Showing results 1-11 of 11

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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Zinc roofing – white surface corrosion

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

    How to repair

  • The 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

  • View all repairs

Translucent sheet roofing – cracked sheets

Translucent sheet roofing – impact damage

Translucent sheet roofing – loss of transparency

Translucent sheet roofing – surface deterioration or crazing

Translucent sheet roofing – loose sheets

Translucent sheet roofing – damaged fixing seals

Translucent sheet roofing – sheet discolouration

  • Heat trapped by the roofing causing the purlins to which sheets are fixed to overheat and damage the sheets

    How to repair

Translucent sheet roofing – dirt trapped in the sheets