Last year, I was able to do some priming in batches: Fenders, Doors, Trunk Lid. This was in my garage with minimal problems. I am about ready to spray 3 coats of DTM Primer on my shell (including inside). My garage is narrow and deep: 14’x50′ – car is in back half and air compressor is in front half. Do I need to worry about air flow? I like keeping it closed for the dehumidifier and air, but am not sure if I should try to add more air flow in the mixture – by either opening garage door or placing some fans in the garage door (partially closed). Thanks!