Rust spots in new plaster

Discussion in 'Misc DIY' started by brenda@gogetcreative.com, Sep 9, 2007.

  1. Guest

    We removed a picture rail when we had our lounge plastered. We are
    getting ready to paint but there are rust spots along the wall where
    the old nails were. Do we need to seal the rust spots to keep them
    from bleeding through the paint or will that not be a problem? If we
    do need to seal, any recommendations? Thanks for any help!
    , Sep 9, 2007
    #1
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  2. Cicero Guest

    On Sun, 09 Sep 2007 03:25:41 -0700, brenda wrote:

    > We removed a picture rail when we had our lounge plastered. We are getting
    > ready to paint but there are rust spots along the wall where the old nails
    > were. Do we need to seal the rust spots to keep them from bleeding through
    > the paint or will that not be a problem? If we do need to seal, any
    > recommendations? Thanks for any help!


    ===================================
    The rust spots are probably where the old nails have been left in place.
    If there aren't many the best solution would be to gouge out some of the
    stained plaster, remove the nails if possible but if not then paint
    each nail with a bit of oil-based paint. Finish off with Polyfilla.

    Alternatively you could look for a stain block paint in B & Q etc. and see
    if it's suitable for this purpose - i.e. painting over rust-stained
    plaster. They're usually intended to cover damp stains but might work on
    your rust stains.

    Cic.

    --
    ===================================
    Using Ubuntu Linux
    Windows shown the door
    ===================================
    Cicero, Sep 9, 2007
    #2
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  3. Stuart Noble Guest

    Cicero wrote:
    > On Sun, 09 Sep 2007 03:25:41 -0700, brenda wrote:
    >
    >> We removed a picture rail when we had our lounge plastered. We are getting
    >> ready to paint but there are rust spots along the wall where the old nails
    >> were. Do we need to seal the rust spots to keep them from bleeding through
    >> the paint or will that not be a problem? If we do need to seal, any
    >> recommendations? Thanks for any help!

    >
    > ===================================
    > The rust spots are probably where the old nails have been left in place.
    > If there aren't many the best solution would be to gouge out some of the
    > stained plaster, remove the nails if possible but if not then paint
    > each nail with a bit of oil-based paint. Finish off with Polyfilla.
    >
    > Alternatively you could look for a stain block paint in B & Q etc. and see
    > if it's suitable for this purpose - i.e. painting over rust-stained
    > plaster. They're usually intended to cover damp stains but might work on
    > your rust stains.
    >
    > Cic.
    >


    Paint the plaster with a white oil based undercoat.
    Stuart Noble, Sep 9, 2007
    #3
  4. Pete C Guest

    On Sep 9, 11:25 am, wrote:
    > We removed a picture rail when we had our lounge plastered. We are
    > getting ready to paint but there are rust spots along the wall where
    > the old nails were. Do we need to seal the rust spots to keep them
    > from bleeding through the paint or will that not be a problem? If we
    > do need to seal, any recommendations? Thanks for any help!


    Hi,

    Should be OK as long as the wall doesn't get damp.

    Also try asking on the 'talk forum' on the Screwfix website.

    cheers,
    Pete.
    Pete C, Sep 9, 2007
    #4
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