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  1. #1
    Join Date
    Mar 2006
    Location
    Bowral
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    2

    Default Corrugated iron - how would you flatten it?

    I've got a project that I want to use old corrugated iron for - rust and all. But I want to use it flat. And I want to use a fair bit of it, so I don't want to flatten it by hitting it with a hammer - I wouldn't live long enough!

    So, how would you go about flattening it? A press? A roller? Does anyone know of someone who does this? I'd really appreciate the help.
    Bob C.

    Never give up.

  2. #2
    Join Date
    Oct 2010
    Location
    melbourne, laverton
    Posts
    1,910

    Default

    its easy run over it with the wheels of a big fork lift. works a charm

  3. #3
    Join Date
    Oct 2007
    Location
    vic clayton
    Posts
    40

    Default

    car and road surface works well
    Some people are like slinkies - not really good for anything, but they
    bring a smile to your face when pushed down the stairs .

  4. #4
    Join Date
    Jun 2007
    Location
    sydney ( st marys )
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    64
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    4,887

    Default

    from my experience with new sheet of iron that have been damaged/flattened,run over is that they tend to curl.

    I havent seen one that lays flat,although I try not to damage them very often.

    I would of thought using a press could possably work but you would need to do it in one
    operation,this would require a machine with a large bolster,and around 250 ton/sq" at a minimum.

    You would still probably have to put it through a straightener.

    If you put it through rollers it would need to go through a straightener.

    Is there a time frame on what you want to do,if not you might be better off finacialy using the thinest M/S plate you can find and treating it so that it rusts quickly.

  5. #5
    Dave J Guest

    Default

    Quote Originally Posted by pipeclay View Post
    from my experience with new sheet of iron that have been damaged/flattened,run over is that they tend to curl.

    I havent seen one that lays flat,although I try not to damage them very often.

    I would of thought using a press could possably work but you would need to do it in one
    operation,this would require a machine with a large bolster,and around 250 ton/sq" at a minimum.

    You would still probably have to put it through a straightener.

    If you put it through rollers it would need to go through a straightener.

    Is there a time frame on what you want to do,if not you might be better off finacialy using the thinest M/S plate you can find and treating it so that it rusts quickly.

    Pipe clay has pretty well covered it all.

    Dave

  6. #6
    Join Date
    Jun 2008
    Location
    Victoria, Australia
    Age
    74
    Posts
    5,080

    Default

    Find some roadworks, and sling the steamroller driver a slab... you can guess the rest....

    Regards
    Ray

  7. #7
    Join Date
    Mar 2006
    Location
    Bowral
    Posts
    2

    Default

    I had thought of maybe using a roller for a cricket pitch or tennis court. Putting the corrugated iron on a road or large patch of concrete and then running the roller over it. I guess I'll have to give it a try...

    Thanks for the thoughts folks. If anyone comes up with a better idea, please shout.
    Bob C.

    Never give up.

  8. #8
    Join Date
    Oct 2003
    Location
    Kentucky NSW near Tamworth, Australia
    Age
    85
    Posts
    282

    Default

    It would need to be very old corrugated because if it is newer stuff it would be Hi-tensiile and would tend to split or would need to be Custom Blue Orb.
    Regards Bazza

    Skype Username: bazzabushy

    "Experience is a hard teacher because she gives the test first, the lesson afterwards."
    -Vernon Sanders Law

    The views expressed by the poster are general in nature and any advice should be taken in this vein. The poster accepts no responsibility if this advice is used. When undertaking any work personal professional advice should be sought from suitably qualified persons in the field of work being undertaken.


  9. #9
    BobL is offline Member: Blue and white apron brigade
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    7,182

    Default

    If you don't care about rust, what about stacking the sheets interspersed by timber slats under a pile of dry timber and setting fire to it. This will anneal the steel and make it much easier to flatten. It will also melt and burn off some of the zinc -which is why it's best not to stack them on top of one another.

  10. #10
    Join Date
    Apr 2005
    Location
    Queensland, Aus
    Age
    72
    Posts
    11

    Default

    When I was kid we used to get old sheets of corrugated iron from the dump, take them home and flatten them out with Dads' hammer in the back yard.
    We'd pinch some tar from the local council road maintanance stock pile to patch up the nail holes, and made tin canoes out of them.
    We used bits of newspaper to cover the tar so it wouldn't stick to us.

    Used to really wind the neighbours up as it took a couple of hours bashing and made a hell of a racket

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