does paint go bad?

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Old 12-30-13, 05:52 AM
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does paint go bad?

Does paint go bad? If so how do I know? Exterior Valspar Duramax.
 
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Old 12-30-13, 05:58 AM
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Yes paint can go bad. Both extreme heat and freezing temps can ruin latex paint. Paint that has froze will be too thick to use [sometimes as thick as j/c] Paint that has been exposed to a lot of heat will have a lot of goobers in it. A few can be strained out but there comes a point ....... Paint can also develop an extreme odor when it gets old although I don't think that affects the paint's ability to adhere or cover.

For the most part, if the paint mixes up ok - it should be fine to use. Full unopened cans will last longer than partial cans. You can pretty much expect to need to strain the contents of any partial can of paint that's been stored for any length of time.
 
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Old 12-30-13, 06:07 AM
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You'll definitely know as soon as you open a can if it's gone bad. The smell is absolutely terrible.

Sometimes, if paint has frozen it can be brought back to life if you allow it to warm up slowly.

As Mark said, even if it hasn't gone bad if you've left a part can for a significant amount of time it will need a really good stir or straining.
 
 

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