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Thread: Roof iron

  1. #1
    Join Date
    Aug 2006
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    Default Roof iron

    Hi folks, how do I tell that I have zincalume or custom orb roof sheeting?

    Silver colour.

    I need to remove some clear sheets and replace them with whats already there and want to keep them compatable.

    Cheers.

  2. #2
    Join Date
    Aug 2004
    Location
    Perth WA
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    Default

    Custom Orb is just a fancy name for corrugated iron sheeting.

    Zincalume is the protective coating applied to iron/steel sheets (flat and/or profiled ie Custom Orb).

    So if you have corrugated roof sheeting that has a silver appearance then its very likely to be zincalumed Custom Orb.

  3. #3
    Join Date
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    Garvoc VIC AUSTRALIA
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    Default

    Zincalume has a much finer appearance than galvanised which tends to look splotchy
    Regards, Bob Thomas

    www.wombatsawmill.com

  4. #4
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    Default

    Thanks Bob & Rod -thats what I thought - gal has that "crystal" look. I must have zincalume as its very uniform.

  5. #5
    Join Date
    Jan 2008
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    wollongong
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    Default custom orb sheeting

    Yes you are right zincalume doesnt really have a texture to it, but galvanised does, it has "spangles" in its appearance "shapes" of approx 5-10mm. Dont mix the 2 as galv is purley zinc and zincalume is zinc/Aluminium and you will get corrosion if you mix this 2 as they are differential metals.

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