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How to clean/prep window boards for varnishing

Discussion in 'Decorating and Painting' started by markjg123, 13 Mar 2019.

  1. markjg123

    markjg123

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    I'm looking for advice on how to remove various marks/stains from these window boards so that I can varnish them.

    The marks/stains are a combination of grease(?), emulsion and ingrained plaster dust.

    No amount of sanding with 180 grit paper is having much positive effect.
     

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  2. KenGMac

    KenGMac

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    markjg123, good evening.

    Looks as if you have tried really hard so far.

    Can i suggest you look at a Joiners Scraper? Google this tool and have a look on YouTube ?

    Ken.
     
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  4. markjg123

    markjg123

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    Thanks Ken.

    I've not seen these before but they look ideal. I'm going to order one and give it a go. It looks relatively straightforward to use one.
     
  5. opps

    opps

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    If you are going to be using oil based varnish, wipe the area with white spirit. Whilst wet, it will give you an indication of what it will look like when varnished.

    I wouldn't imagine that the grease marks will be an issue. The emulsion- I'd recommend dropping down to 80 grit and then using your 180 grit.

    180 is more of a "finishing" grade paper rather than a "stock removal" paper.
     
  6. DIYnot Local

    DIYnot Local

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    If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

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