Winter Spraying- Heater vs Booth

C

cstrom72

Working on a 67 Coupe and a 68 Fastback Mustang-
Whenever I do a car I set up my own homemade paint booth and had great results I generally do a car/project per year. That was in the summer time though and unfortunately is 7° here right now in South Dakota. Yesterday was a low of -17°

While neither of my projects have deadlines but Id like to start priming some things to get ready for spring time to get a head of the game.
I have a gas heated garage that works great. And obviously spraying near an open flame/heater is a no no...

I can crank up the heat and get my garage to 85° in no time but I run my exhaust vent (basically a filtered window) out the North side of the garage. Keeping the vent open and the garage warm does not work. Just wondering if you guys have any ideas? We have a solid 2-3 months of winter left- Yikes.

Maybe ill just focus on the engine for now...:)
 
Only way I know is to produce an excess of heat ahead of the paint booth. You need an exhaust fan to pull paint fumes out and the heat in. That way the heat (flame) is not directly exposed to the paint fumes.
I use a 150,000 BTU kerosene torpedo unit and can maintain 75+ degrees with a 16" exhaust fan running. The kerosene is expensive but it gets jobs done.
 
Most important is preheat the metal of the car so it is around 70 degrees or higher, check with a $20 laser heat gun.
Shut of the heater and spray the primer you want to spray, don't worry it may drop to 40-50 while you are spraying.
When done and all the fumes are gone and it is safe to start the heater kick it on and let it cook.
This is done everyday in a lot of shops in the south and the only issue is that can cause a problem, 1) Metal temp 2)metal temp 3)metal temp and one other thing, metal temp.

Lots of smaller shops in the south heat with the same thing metalman does.
 
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