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I live alone and the smell isn't going to bother anyone but me, but I'm afraid that even indoors the humidity is going to wreck the prime job. Am I safe right now?

http://www.wunderground.com/US/CA/Fresno.html

Go outside, prime, bring models back inside to dry.

Sorted.

Sure, if you don't mind dieing, then go right ahead.

TL: DR, No.

Todosi wrote:Go outside, prime, bring models back inside to dry.

Sorted.

This.

The important thing, however, is to cover the model with something like a plastic bowl or the like to ensure that fumes don't leak.

Happygrunt wrote:Sure, if you don't mind dieing, then go right ahead.

TL: DR, No.

Well, I wasn't worried about dying as I have the common sense to properly ventilate a room and not hang out in said room after 25 seconds of spraying. I've done it more than a few times on windy nights. No headaches, nausea or death... just a stinky bathroom for a few days.
What I was worried about was the affects of the temperature and humidity on the quality of coverage.
Thanks for the advice guys.

You can make a poor man's spray booth. Set up a cardboard box in a window with both ends of the box open (so you don't spray your walls) with a fan in it, preferably one of those big square box fans. The fan sucks away the harmful vapors (as well as the heat, don't leave it on for too long or you'll kill your gas bill)

Or failing that, pick up some brush on primer for use when the weather isn't playing nice.

If you can, grab a couple of spent xerox photocopy paper boxes from work. Punch one with holes along the side as vents. Prime outside, but then you also have a cover for your models so they can still stay outside.

....I read the title to the tune of "Can You Feel The Love Tonight".

Can I Prime Indoors Tonight

There's a hint of thunder on the skies today
And the heat of the summer has already rolled away
Humid climate's rising, spelling my primer's ruin
Can I prime indoors without dying 'coz of fumes?

And can I prime indoors tonight?
It is where we are
It's enough for this wide-eyed wargamer
To prime my Dark Eldar
And can I prime indoors tonight?
Will I suffocate?
Answer me, oh please Dakka users
Before I prime out of haaate


...I think I need to cut down my sugar intake. It's making me hyper.

I always prime indoors. I have a dedicated hobby room with a carpet blacker than my lungs.

That's 'cos I wears me a mask.

This said, unless you have a full respirator, don't hang around in the room for long - a standard filter mask will stop the paint from getting on your chest, but doesn't stop the solvent fumes which can and will f*ck you up. Chemically induced migraines are not fun. Ventilate the room (open a window / outside door) and go have a coffee / tea break for 10 minutes or so to let the fumes settle before you go back in.

Edit: This goes for airbrushers, too - particularly when using cellulose thinners / MEK / airbrush cleaner etc.

hmm it doesnt seem like they are getting what your asking.

With high humidity like that i always hold off on spraying as to not get a textured finish on the model. they are to expencive to take the risk and stripping due to a bad prime job sucks. I say either wait a day or run the AC for an hour or so to kill the humidity in whatever room you'll be spraying in. AC kills moisture in the air.

I got exactly what he was saying. The solution is to prime outdoors and bring the models inside immediately to dry. This has worked for me in the 100 degree heat with 100% humidity in the summers of Northern Ohio and Central Florida for the past 12 years.

hmm then i must be doing something wrong. humidity in green bay, wi can be bad at times and it has killed a few spray primes for me in the past.

I always spray indoors when the weather is bad, but it's usually dry in my place. If you've been keeping the windows open, you'll be no better off than spraying outside, but if you can run the AC to dehumidify a bit, like dionysus suggests, then by all means go for it.

As far as safety is concerned, I stand in the middle - I don't disregard every warning completely, but I don't follow every safety suggestion, either. A respirator would be ideal, but I just cover my nose/mouth and try to be quick about spraying. I usually do it in the bathroom with the vent fan running, which, while by no means as powerful as a legit spray booth, allows me to contain the smell reasonably well.

I would advise against it. Unless the area you're priming in is well ventilated (ie a really good fan to pull fumes out) then go ahead.

I have had Krylon spray primer defeat high humidity many times. DC can be very humid, and I spray outside in all weathers, it makes a very flexible arrangement.

As for spraying indoors, don't do it. The vapors are very persistent and dangerous.