When painting steel in cold or damp conditions you have to be wary of the dew point. This is when the steel sweats as soon as this happens or is likely to happen you cannot paint, no if's or but's just STOP.
Steels temperature needs to be 5 degrees c above the dew point to be ready to paint there is not a set temperature. You will need the following information at hand.
Magnetic thermometres and hand held dew point calculators are available on our paint test equipment page
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