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Best way to prepare and paint MDF

Hello everybody,

I am a keen DIYer and took some advice from this website about painting old pine furniture and I was thrilled with the results. I am now doing a bookshelf project using MDF and would like to get the same finish as I did on the pine. I have read some advice about sealing the surface and filling the edges before painting but there does seem to be a lot of different opinions. I was planning on using Little Greene eggshell as the top coat but would like some advice on primers, undercoats and filling etc. I did notice there are some specific MDF sealers out there are they any good?
Thanks in advance.

Worth looking at the Zinsser guide to prep prime and painting MDF on their website. Their product is the water based Bulls Eye 123 which I’ve used on the rare occasion I’ve painted MDF and has worked fine.
But yes theres a whole range of specific MDF primers out there!

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zinsser coverstain is best for mdf as it won’t swell the fibers, will need to be thinned (white spirit) after that any paint type is good to go