I posted the following other at the Target Coatings and got some feedback, but looking for a bit more.
I am getting ready to take the plunge into spray finishing. I plan on ordering a Fuji Q4 and spraying exclusively water based products. My finishing area is 8′ Wide x 16′ Long x 8′ High and is part of a finished basement space that I’ve installed a heavy plastic curtain divider to separate the finishing area from the rest of the room (wood storage, office space). The long part of the space (opposite the plastic curtain) has a sliding glass door leading outside. My plan is to build and install an insert into the open door space with an exhaust fan. There is a bit of a gap between the top of the plastic curtain and the ceiling and I plan to use filter material in this space and have it as my intake air source (there’s other options as well if this proves inadequate).
· Do I need (or is it advisable) to have an explosion proof fan if spraying only water based products?
· I use exposed CFLs for lighting in this space – do these need to be enclosed?
· Is just having the exhaust fan in the open door space (fitted into an insert) and with or without filtering enough? Or should I build a wider “filter bank” and then just duct the exhaust outside?
· If I just use the exhaust fan through the open door space/insert, what’s the best placement for the fan (at ground level, mid-height, at the top, etc?)
· There’s an interesting CFM calculator at http://www.industrialfansdirect.com/CFM.html. Any ideas what I should shoot for in “Frequency of Air Change”
The advise over at the Target Coatings forum was that I don’t necessarily need to worry about having and explosion-proof fan, using uncovered CFLs, or even necessarily venting to the outside (I’d build a filter box with the fan in it).
Looking for more advice as I setup this area. Thanks in advance!!!