can i primer in cold weather for frame/
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Freshman User
Joined: Jan 2006
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can i primer in cold weather for frame/
i am luckey enough to live in canada and i am changing from a 6 cyl to 8 cyl and would very much like to clean up the frame and engine compartment before i do so. my question is can i sandblast ,primer and frame paint in the cold weather.im thinking it wont stick due to moisture or the cold. ive never done body work before so any info would be apprecited . thanks
Elder User
Joined: Jan 2007
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Not to rain on your parade but you're right about the cold aspect. Most paint products don't work well below 60 degrees although I've sprayed as low as 40 F in the past but don't recommend it for two reasons. One being that it drags out your dry time to an unnerving amount of time, the other problem is flash time and runs. You can spray in colder temps, get the lower temp reducers but just don't plan on doing anything right away like you would in warmer weather.
Fleet Mechanic
Joined: Aug 2007
Posts: 1,834
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From: Piney Woods of East Texas
Beside the cold temps, your not suppose to spray paint if the dew point is < 10F of the ambient temp. If its to close the cooling process will cause condensate to form on the paint, causing problem. Painting inside you normally don't have issues.
Posting Guru
Joined: Mar 2006
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From: Williamson, NY
I use a Propane and kerosene heaters to warm my garage during the winter and I have painted in the winter, but prefer to do it in the warmer months when at all possible. You want to get your garage and surface to be painted to 60-70F and then turn off your heaters and paint away. After the fumes have cleared you can restart your heaters so your paint can cure properly. If you are just using brush on paints you don't have to worry about turning off the heaters while you paint.
Elder User
Joined: Nov 2003
Posts: 719
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From: green bay, WI
2k products depend on minimum temp to properly cure. If you look on your activator bottle, some will actually say not to spray if temp is below 60. Many will cure again once brought into proper temps for several hours, but some products, mainly some epoxys proper temp is really critical, or they could go dormant and then never properly cure. Remember metal temps are often colder then shop temps, and may take awhile to warm up, and the metal temps what should be checked. Not too much in the autobody/paint world works too well in the cold, Wisconsin feels a lot like Canada often.
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