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Cracking paint on Window boards

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  • 22-08-2018 4:44pm
    #1
    DirtyDiesels
    Registered Users Posts: 191 ✭✭


    ive started painting window boards in a new build. The boards are MDF. they came primed. i undercoated them with dulux primer and then finished in top coat of satin wood.. they are all cracking now.. any ideas what ive done wrong or should i use a different paint??


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    #2
    FortunaMan
    Registered Users Posts: 34 ✭FortunaMan


    I recently done exact same job with dulux satinwood water based and same primer. All windows boards took minimum of 1 undercoat and 2 topcoats with a good sand between each coat. Doing some new doors at the moment that are also pre primed and same process required (3 coats) for a good finish. It's a pain but in my opinion it's worth it and I am delighted with the finish. I had same cracking appear after 1st top coat on my first window. I thinned the paint with 10% water. I know some people advise against it but it's made it easier to work with and is providing a nice finish.


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