Joyce, I worked in the paint department of a large (big box) retailer for years, so I know way more about paint than anyone should. Putting odor aside (though I wouldn't discount it entirely), did you try to stir the paint to reincorporate the solid into the liquid? It would surprise me if you could, because the freeze/thaw destroys the composition of the paint. The solids generally become like cottage cheese, or a big solid clump, separated from the liquid. You did not say whether this was indoor paint or outdoor paint, but the answer would be the same: Since the prep is the "work" part of painting, I wouldn't risk a few bucks only to get an inferior job. Paint is (relatively speaking) cheap, and I would replace it if there were even a hint of problem with it. I'm not for wasting, but when I prep, I do it right, and I wouldn't put all those hours of work in jeopardy by applying a suspect coating. Particularly if you are working outdoors, removing a bad paint job would be extremely difficult, worse than prep, and then you would have to repaint anyway. Doing the job once is generally more than enough for most people; I wouldn't want to possibly double, triple, or quadruple what is generally an un-fun project. This is a case, IMO, of penny wise/pound foolish.
Christine-Mpls
--- In DoIt_Yourself@yahoogroups.com, "snafflesnshelties" <snaffles@...> wrote:
>
> I recently opened a 5 gallon bucket of paint and it smelled rancid.
> It was not MY paint.
>
> About 1 1/2 gallons was used out of the bucket about 3 years ago. It has been stored outside in a lean to ever since. Frozen and thawed repeatedly.
>
> I believe it is a laytex paint.
>
> Is this paint still useable?
>
> Joyce
>
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