Showing results 1-5 of 5

Profiled metal roofing – staining

  • Run-off from lead flashings

    How to repair

  • Soot or particulate emissions from nearby chimneys or flues

    How to repair

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Profiled metal roofing – lead-head nails damaged or missing

  • The lead heads were damaged during roofing installation

    How to repair

  • Nails have worked loose over time as a result of movement in the roof

    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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Roof flashings lifting