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Painting RSJ

Discussion in 'Decorating and Painting' started by Kevin55, 24 Nov 2021.

  1. Kevin55

    Kevin55

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    Last edited: 24 Nov 2021
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  3. RandomGrinch

    RandomGrinch

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    Hi,

    May I ask where this RSJ is?
    Normally steels exposed in a domestic building would require half an hour of fire protection.
    This is normally achieved by boxing in the beam with plasterboard, or using specialist intumescent paints.
     
  4. Kevin55

    Kevin55

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    Morning
    Steel will be internal, supporting a beam and block floor... with another story on top.
     
  5. RandomGrinch

    RandomGrinch

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    So, is the beam in a void below the ground floor i.e. there are no rooms below it?
     
  6. Kevin55

    Kevin55

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    No, there will be a basement in the void below.
     
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  8. RandomGrinch

    RandomGrinch

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    Ok, discussion with building control I think! :)
     
  9. Kevin55

    Kevin55

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    BC have stated they are happy with fire rated plaster board to be used around the RSJ.

    So, back to my original question, is there any recommendation on what product to use to paint steel for rust protection?

    Looking to pick up a few cans of this tomorrow >
    Hammerite Rust beater Grey Iron Primer, 750ml | DIY at B&Q

    Many places do not have stock of grey metal primers!
     
    Last edited: 16 Dec 2021
  10. sparkwright

    sparkwright

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    Traditionally they were always done in red oxide primer, but I would like to think any oil-based rust beating primer would be ok.
     
  11. Kevin55

    Kevin55

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    Grabbed the red oxide primer from screwfix and applied it earlier.
    Thanks all.
     
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