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-   -   Building my own one time use paint booth. (http://www.hotrodders.com/forum/building-my-own-one-time-use-paint-booth-26965.html)

thrown_hammer 10-31-2003 07:59 AM

Building my own one time use paint booth.
 
Any advice appreciated. Here is my plan and if anyone can help me improve it I would be grateful. I am painting in the spring so i have time. This is going to take place in my two car garage.

Heavy plastic across rafters and hanging down to floor for the "walls". Duct taping the corners and using 2X4's at the base. Leaving the garage door open about a foot and cutting an intake hole in the plastic with a furnace filter on both sides of the hole. Cutting a hole on the other end high in a window frame for exhaust. placing a filter on the inside and a sparkless fan on the outside to draw air out. compressor will be outside garage. I will mist the floor with water. Also some halogen lighting outside the booth shining thru the plastic for light. Anything else?
Using JD Bltz Black paint in a Brinks gun.

willys36@aol.com 10-31-2003 08:04 AM

Sounds good. Only problem I envision is having too much exhaust for the inlet capacity and sucking the walls in. If that isn't a problem, should work fine. I know of several people that produced world class home paint jobs with that type of temporary booth.

TurboS10 10-31-2003 08:04 AM

Sounds good. I did my S10 in a very similiar booth. Good Luck.

Chris

thrown_hammer 10-31-2003 08:11 AM

Cool! I could always cut two intake holes...:thumbup:

willys36@aol.com 10-31-2003 08:24 AM

Don't buy problems B4 they happen. Try it with one first and do the second only if there is a problem. Two inlets spaced apart may give better air flow and vent fumes better. Anyway, try it with one first.

TurboS10 10-31-2003 09:16 AM

I used a 2500 cfm attic exhaust fan and a 3x4 ft. intake area up high on the opposite side of the booth from the fan. While the fan probably was an explosion hazzard, I am still here. It worked very well having the intake up high and the fan down low. It pulled the overspray right to the floor.

Chris

daimon1054 10-31-2003 09:28 AM

To me still air in and area where you cannot filter all of the air is better than moving air. I would be worried about what contaminants you are moving around. A home air conditioner filter does nothing for small stuff and you IMO will be bringing a lot of pollen and small dust into your area. I would focus on making sure I had good air to breath and keeping the air in the room still. Let the dust would settle to the ground and your dry car (tack it off) and not on your wet paint.

Again I am not an expert here so feel free to dispute me!

thrown_hammer 10-31-2003 09:42 AM

I was told to have the intake low and the exhaust high to keep the over spray from setteling on the car. But then again thats why I am here.
Chris, Did you have any overspray issues?

willys36@aol.com 10-31-2003 09:49 AM

A key I have found is to not shut off the fan until the paint has dried to the point that dust won't attach. Shutting off too soon allows stuff to settle.

Centerline 10-31-2003 10:18 AM

Thats almost exactly how I painted my coupe. Matter of fact I'll be painting the cab of my truck tomorrow in the same booth.

Here's the booth, and the results.

http://hotrodsandhemis.com/booth5.jpg
http://hotrodsandhemis.com/booth4.jpg
http://hotrodsandhemis.com/booth2.jpg

http://hotrodsandhemis.com/done2.jpg

Centerline
http://www.hotrodsandhemis.com

thrown_hammer 10-31-2003 12:05 PM

First of all WOW!:thumbup:
Now are the fans up top the exhaust fans? If my car looks half that good when I am done I will consider it a success.

Centerline 10-31-2003 12:08 PM

Actually the fans up top are incoming air. I use one fan for exhaust so it winds up being a positive pressure booth.

Centerline

thrown_hammer 10-31-2003 12:14 PM

Are they just box fans or are they sparkless fans? I am a little concerned about blowing the garage off the side of my house!

302 Z28 10-31-2003 12:23 PM

If they are forcing air into the garage, that lessens the chance of explosion, as they are pulling fresh air through the fans. Most household box fans, at least the ones I have come in contact with have fractional horsepower induction motors that have no brushes.

Vince

thrown_hammer 10-31-2003 01:00 PM

So I should put the fan up high for intake and the exhaust vent low right?


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