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  1. #1
    Join Date
    Dec 2007
    Location
    Perth
    Posts
    27

    Default Rendering over steel columns

    My Structural engineer has called for two 90x90x3mm steel columns to be built and tied into a single leaf brick wall to support the roof USB's.
    They also requested the walls to be gyprocked over but then later said I can render them if I want.
    I am concerned that if I render over the steel colums I will get cracking in time as the render has nothing to key to on to the steel.
    Is this Ok to do or is there something that needs to be done to assist the render to hold on.

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  3. #2
    Join Date
    Aug 2005
    Location
    Victoria
    Posts
    664

    Default

    I assume your column will be flush with the face of the brickwork,in which case you should span the column with expanded metal and render over that.

    Tools

  4. #3
    Join Date
    Oct 2003
    Location
    Kentucky NSW near Tamworth, Australia
    Age
    85
    Posts
    3,737

    Default

    As Tools says you need expanded metal.

    The product you require is called Redalok. It used to be produced by Bluescope Lysaght but the business was sold to Sankey in July this year.

    Here is a link to Sankey and Redalok.

    http://www.sankey.com.au/SK_Products..._Rendalok.html

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