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  1. #1
    Join Date
    Apr 2006
    Location
    Adelaide
    Posts
    32

    Default Metal staircase finishing

    I am not sure if this is the correct forum for this question but was the closest I could think to post in, anyways........

    Does anyone recognise the finish on the staircase in the attached thumbnails?

    The staircase is located in an Adelaide apartment block so has considerable traffic. The metal appears to have been grit blasted and then I would think dipped in some solution to apply a coating of some type. There is no rust and it has not been galvanised. I did a search and the closest I could come up with was the following link (metal phospating) http://www.woodworkforums.ubeaut.com...ht=parkerising

  2. #2
    Join Date
    Mar 2006
    Location
    Mildura, Victoria
    Posts
    379

    Default

    I'm not certain but use Google to check 'powder coating'.

    soth

  3. #3
    Join Date
    Dec 2006
    Location
    Outer East - Melbourne
    Posts
    265

    Default

    I would guess powder coating

  4. #4
    Join Date
    Apr 2006
    Location
    Adelaide
    Posts
    32

    Default

    I am fairly certain it is not powder coated. These stairs have huge traffic and have been there for at least 3 years with no sign of wear. If they were painted or powder coated I am sure there would be wear on the treads.

  5. #5
    Join Date
    Dec 2005
    Location
    Canberra
    Posts
    723

    Default

    It could be a zinc phosphate finish - which looks like a sandblasted finish but of course it doesnt rust.

    Hard to tell from the pictures but if it has a slighly sparkly finish (like the concrete breaker bits in Bunnies) then zinc phosphate is a possible candidate.

  6. #6
    Join Date
    Dec 2006
    Location
    Brisbane
    Posts
    44

    Default

    Is it possible it has been painted with a hammertone paint as it is a strong paint once cured??
    Cheers
    Steve

  7. #7
    Join Date
    Mar 2007
    Location
    melbourne
    Posts
    16

    Default

    NOpe, powder coating too soft.
    It is either two pack paint (hard as bloody rocks) and my preference for the answer or it is a galv finish (unlikely looking at the pics)
    Take pics to a balustrading or staircase manufacturer for accurate response.
    best of luck.

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