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Old 12-12-2011, 10:07 AM   #1
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Moisture in the air


How dry does it need to be to paint outside? We had som rain and the ground is wet but it hasn't rained in a day. Can I go ahead?

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Old 12-12-2011, 10:59 AM   #2
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Moisture in the air


If the humidity is too high, it will take longer to dry. As long as the house is dry, and the ambient temperature is desirable (read the can. Probably about 55-80 degrees), you'll be alright.

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Old 12-12-2011, 11:02 AM   #3
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Moisture in the air


I got paint that works in cooler weather. Can I paint parts outside that are covered if it starts sprinkling? The paint works down to 35 degrees
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Old 12-12-2011, 11:15 AM   #4
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Moisture in the air


As long as the surfaces you are painting are dry. However, there are some caveats to painting in cooler, damp weather. This has been discussed here, look under these threads:
Low Temperature Exterior Painting Questions
Disaster
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Old 12-12-2011, 01:14 PM   #5
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Moisture in the air


What should the humidity be and the dew point? I got the temperature covered or is all that on the paint. Don't have it here...
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Old 12-12-2011, 01:15 PM   #6
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Moisture in the air


I guess humidity is the main factor right now. Thanks everyone so far. I love this place
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Old 12-12-2011, 01:18 PM   #7
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Moisture in the air


Quote:
Originally Posted by titanoman
If the humidity is too high, it will take longer to dry. As long as the house is dry, and the ambient temperature is desirable (read the can. Probably about 55-80 degrees), you'll be alright.
What is too high for humidity?
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Old 12-12-2011, 01:22 PM   #8
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Moisture in the air


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Originally Posted by PhiL1227 View Post
What is too high for humidity?
The bucket of paint probably specifies this. I would guess below 70% or so. But people paint when it's 100% so..
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Old 12-12-2011, 01:24 PM   #9
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Moisture in the air


Thanks again
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Old 12-21-2011, 03:37 PM   #10
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Moisture in the air


The temperature needs to be 5 degrees above the dew point. This needs to be the standard throughout the drying time for the paint product. Otherwise, you deal with condensation, surfactant leaching, blistering, bubbling, and other adverse conditions.
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Old 12-21-2011, 05:42 PM   #11
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Moisture in the air


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Originally Posted by phil1227 View Post
what is too high for humidity?

most acrylic paints are good up to 85% relative humidity and the surface temp should be at least 5 degrees above the dew point and rising. If this info isnt listed on you paint can, you could find the product data sheet on line or get it from the paint store.

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