When you apply the paint, the paint will quickly take the temperature of the surface, however, warm paint allows you to apply the paint better. For example, you can apply a line in one motion that you would otherwise have to do in three passes. So apply the paint with fairly smooth movements. If you have a chance to warm the surface slightly first, for example with infrared lamps or by working with the sun, you will paint most comfortably.
No, it is very important not to paint outside when the outside temperature is below the dew point. Otherwise, the surface will be too moist. If it is freezing you should not paint in any case.
Store paint at room temperature, if possible, so you don’t have to warm it up first. Start with warm water (
Yes, heating paint causes faster moving molecules in the paint which therefore becomes more fluid. With water-based paints, you generally suffer slightly less from lower temperatures than with solvent-based paints and lacquers, but there are many painters who use FlowControl even indoors when optimal flow is important. Think, for example, of painting kitchen cabinets, where a lot of cutting is required, but gloss retention and optimal protection are also very important.