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    Painted masonry prep - to sand or not?

    Oh, and my follow up to Dec wasn't mean to imply that I didn't believe him - my apologies if that was how my post read. I was hoping to understand why sanding is not necessary.
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    Painted masonry prep - to sand or not?

    <sigh> Because there were a number of things about how he was doing the job that seemed to be cutting corners (e.g. he painted the ground floor while his collegue scraped the cills upstairs raining dust and paint flakes onto the new paint), and when I asked about sanding (I am used to sanding...
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    Painted masonry prep - to sand or not?

    More specifically: ...smooth masonry surfaces... - window cills, bay window columns, porch, that sort of thing. Thanks for the sarcasm by the way, vv2806, very helpful. I am forking out some good money and want to be sure the job is being done properly. Set against that cost some time on the...
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    Painted masonry prep - to sand or not?

    These are previously painted surfaces (paint on masonry) that are being repainted without being stripped.
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    Painted masonry prep - to sand or not?

    Thanks TheDec. I had assumed that sanding would be required to provide a key and remove surface impurities etc., and am therefore curious why it is not considered necessary for painting exterior masonry. Incidentally, Dulux's Site Work Instructions (referring to BS6150:2006) state that...
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    Painted masonry prep - to sand or not?

    Hello all, I would be grateful for some considered advice. Is it necessary to sand painted masonry before applying a fresh coat of Dulux Weathershield, in the absence of flaking etc? I have a painter who insists that 'doing it by the book' involves brushing off any dust with a stiff brush...
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