Warm up the shop with a propane heater, maybe, but shut it off before you start spraying. A turbo-type flame heater and a shop full of flammable vapors sounds like a prescription for a hobby-ending explosion to me!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!