Mist coat/primer

Discussion in 'Decorating and Painting' started by philipb82, 30 Dec 2009.

  1. philipb82

    philipb82

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    Hello

    I decorated our house about a year ago. I stripped all the wallpaper off the walls and sugar soaped the walls and painted Dulux emulsion straight on. However I've only learned about applying a mist coat, but I want to know why mix with water? Apart from one area in the paint where cracking has occured I've had no other problems. The cracking in this case is like lots if little lines in on the surface of the paint, could this be anything to do with it? Also would it be worth scraping of all the paint and starting again or leave it and see what happens?

    Thanks

    Phil
     
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  3. LJW61

    LJW61

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    'Mist coat' is a thinned coat of emulsion (25-30%) for new plaster, it soaks into the plaster rather than just laying on the surface so providing a good key for subsequent coats..
    The cracking/lines you describe sound more like a reaction to impurities such as paste residue left on the plaster..
    Probably too late now to remove this unless its really flaky..Give it a sand down and a couple of coats of good trade vinyl matt emulsion not DIY store rubbish! ;)
     
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