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New To Painting MDF

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RandyT:
Using a water based latex primer on MDF is not a problem.  Kilz is my preference.  It goes on thick, and that's what you want.  Otherwise, MDF will soak it right in .  At least two coats, sand between each.

For a finish coat, I used bright red Rustoleum enamel on my mini pac-style cabinet.  Rustoleum is easy paint to get, not too costly, and it leaves a very nice finish.  Takes a while to dry, though, so don't be in a hurry.  Definitely use a foam roller, or at least a very high quality short nap roller which won't leave the dreaded fuzz.  Every dollar you save on a cheap roller will cost you 5 in the time and aggravation trying to fix what it does to the job.  Foam rollers are good, but don't try using them on a second coat of enamel before the first is completely dry.  I've seen half cured paint yank chucks of foam out of these when they start to run dry.

nedley09:
whelp i picked up some kilz oil based primer and sealer, some semi gloss latex paint and a 1/4 fine roller with refills.  Im going to start priming tonight, but should i also roll on the primer?

RandyT:

It doesn't really matter for the primer, as you will be sanding it.  Of course, the better the finish, the less sanding you'll need to do to smooth it out, so it's up to you.

Bender:

--- Quote from: monkey puzzle on February 22, 2013, 03:30:34 pm ---I used a clear MDF sealer on the bare MDF

--- End quote ---

Got a product name on the MDF sealer?
This might be the key
No matter what I use the fibers in the MDF swell up and make the first few coats a nightmare

macattack:
Best stuff to use is the stain blockers like kiltz or can't think of the other brand, will post it once I get home. Does a great job of sealing mdf

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