Rust Spots on Timber Windows & Doors (?)

Discussion in 'Trade Talk' started by SeaGull1, 17 Feb 2021.

  1. SeaGull1

    SeaGull1

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    Hi,

    I work for a small developer and looking for an opinion on what's happening here. Small rust marks appearing on window frames and doors and it's a bit of a mystery as to what's causing it. Any ideas?

    Thanks
    [​IMG]
    [​IMG]
     
  2. MMarve

    MMarve

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    Looks to me like iron fallout that is then rusting. Are you near to a railway line or industrial site where there might be excess iron fillings in the air?

    You can see it a lot on cars, there is specific iron fallout remover products that you use to disolve the iron before polishing your car etc.
     
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  4. SeaGull1

    SeaGull1

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    No railway line or industrial site but it's a building site. Grinder disc residue from cutting slabs etc?
     
  5. MMarve

    MMarve

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    100% yes. Should settle down once the building works have finished. In the meantime, you should be able to use some ironout type product for cars (Halfords if you want a quick and easy win). Spray it on, leave it to start working for 5 minutes (it normally turns purple or something and streaks down as it dissolves and then hose off.
     
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