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Old 10-03-2010, 11:57 AM   #1
Solutions (handyman)
 
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Cold weather painting


Is painting with a latex exterior paint in cool weather okay? I understand the "ideal conditions" but sometimes this isn't possible. Will paint cure properly if it is applies when above freezing but freezes over-night? What are other suggestions?
Thanks.

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Old 10-03-2010, 10:41 PM   #2
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Cold weather painting


This is the tricky time of year. You will have heavy dew in the mornings and that also means heavy dew at night which means if your paint desn't have a few good drying hours before hitting the dew point, your paint could leech out. That's when the paint ingedients haven't completely evaporated when the paint hits the dew point and they are left to run down the surface of the paint. They can sometimes be washed right off.

If any paint hits the freezing point without completely drying can cause it to crack, bubble or peel but it's rare.

In short, give your paint a few good drying hours before dark and you should be fine.

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Old 10-04-2010, 10:54 AM   #3
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Cold weather painting


Thanks Mathew, makes sense.
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Old 10-04-2010, 09:03 PM   #4
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Cold weather painting


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Originally Posted by Mark Harvey View Post
Is painting with a latex exterior paint in cool weather okay? I understand the "ideal conditions" but sometimes this isn't possible. Will paint cure properly if it is applies when above freezing but freezes over-night? What are other suggestions?
Thanks.

Some paint companies, like Pratt and Lambert, have 35 degree, low temp paint. That mean if it is cold and DRY, you can paint as low as 35 degrees F, BUT the temp has to be going UP from the time you start. And then it will dry at 35 degrees and onward.
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Old 10-04-2010, 09:48 PM   #5
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Cold weather painting


worst part about cold weather painting is the dry time and coating. its much easier to get runs when it's cold due to the paint not flashing nearly as fast
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