There are alot of good links, in here, regarding spray booths
This topic always opens up a can of worms
https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CDQQFjAA&url=http%3A%2F%2Fwww.modelcarsmag.com%2Fforums%2F%3Fshowtopic%3D56874&ei=pK3gVL-mCcGBsQTZz4DADw&usg=AFQjCNF76crdP8VoLVAd4R7MuIXS74lTQg&sig2=pQTsRYEIFSgmpim01VE2Lg&bvm=bv.85970519,d.cWc&cad=rjt
For my very limited airbrush work, I spray acrylics into a cardboard box, wearing a confo mask, and take all body work out into a warm garage
Anyway good luck and
Cheers