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Painting over builders silicon

Discussion in 'Decorating and Painting' started by Stringman_uk, 30 May 2021.

  1. Stringman_uk

    Stringman_uk

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    Hi All
    Sadly I didnt RTFM and used builders silicon to fill the gaps between my upvc windows and stone lintels.
    The masonary paint didnt really cover it ( well it did after about 5 coats) and I suspect it will rub off quickly.
    On reading here the suggestions I have seen are Cover with painters mate and re paint, use oil based undercoat and use some zinsser.

    I do have some zinsser BIN would this work?
    Would the oil undercoat work if the topcoat is water based masonry?
    Is the painters mate really as simple as smearing it over the top and repainting?

    The last option sounds good but some the silicon was on the vertical brick work ( also painted)

    Thanks in advance
     
  2. sxturbo

    sxturbo

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    Cut the silicone and recork with painters mate
     
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  4. Stringman_uk

    Stringman_uk

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    SX,
    Thanks for that, had a horrible feeling you would say that. Was hoping for an easier ( if not longer lasting) solution
     
  5. sxturbo

    sxturbo

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    Cut the silicone flat with the windows. Unfortunately it will take just as long to try and paint the silicone as it would to cut it and cork.

    As the building moves and windows flex the paint on the silicone will crack as it wouldn't be adhered properly unlike with painters mate
     
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