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Thread: Light Fixture Locations in a Spray Booth

  1. #1
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    Light Fixture Locations in a Spray Booth

    Where are the light fixtures located in a commercial spray booth? In my finishing area, I was planning to mount a light above and one on each wall about even with where I would stand so that the light would shine on the area I was going to be spraying. I just read in Flexner's book that you should mount the lights as close to the back wall as possible. This doesn't make sense to me???

  2. #2
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    Matt,
    The booths I have used had the lights mounted in the upper corners of the opening facing in - shielded on the operators side. There are also the spray rooms which have fluorescents mounted on the walls as well as the ceiling (think automotive applications). All of the booths had explosion proof lighting. The booths ranged from 4' to 8' wide and I don't think I ever ran into any shadow issues.

    Just my experiences, there may be newer thinking these days though. Oh, one more thing - the heavy conduit between the lights made for a nice rail to hang parts from.

    Wes

  3. #3
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    I "think" you want at least some of them placed so that you can use the reflective bounce from them to be able to see how your coating is on the workpiece. That may account for the recommendation of lights at the back shining down and forward.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  4. #4
    My booth is 16x16.
    Three 8' on ceiling, 8' in each corner standing up.


  5. #5
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    Steve, do you have a commercially built booth, or shop built? Could you share details if its shop built?

  6. #6
    Hi Matt. Booth is home built. It's actually a room, built inside the addition I did last year. All drywall. Fan with shutters on the outer wall.
    Install a filter in the front wall. Air filters in from the from room, which is the wifes 16x16 sewing room.
    Entry door is 42" wide. Made a mistake there. Used a standard height door for 8' walls. Should have used a door for 9' walls. Sometimes when I wheel a large pantry cabinet, etc, into the room, I have to be careful not to bump into the door.
    I have racks along one wall for cabinet doors, trim, etc, for drying, storage while finishing them.
    Also have a bench in there with upper shelves for cans of finish, etc.
    Lightning works real well. I just used standard 2-bulb 8' lights.
    For heat in the finish room, I have a 8' baseboard elec. heater, set on low.
    Keeps it nice and toasty in the winter. Theres 20" of blow in insulation in the ceiling. Glad I did that.


  7. #7
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    Quote Originally Posted by Steve Clardy
    Fan with shutters on the outer wall.
    What did you use for your fan?

  8. #8
    Quote Originally Posted by Matt Meiser
    What did you use for your fan?

    Purchased a 18" fan assembly with shutters from Grainger. About $180.00.
    Dayton fan.


  9. #9
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    Sounds similar to the one I got. Do you spray solvent-based finishes?

  10. #10
    Yes. Oil stain and lacquer mostly. Ocassionally water base poly.


  11. #11
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    Matt (and Steve),

    Are you using explosion-proof motors?

    Matt, Steve is straight on the lighting; supply plenty of it! I prefer to “weight” the light from one side and behind me. Slight shadowing helps to see details that are often lost in even light.

    Frank

    But really, shouldn’t this thread be moved to the Lighting Forum?

  12. #12
    Quote Originally Posted by Frank Chaffee
    Matt (and Steve),

    Are you using explosion-proof motors?

    Matt, Steve is straight on the lighting; supply plenty of it! I prefer to “weight” the light from one side and behind me. Slight shadowing helps to see details that are often lost in even light.

    Frank

    But really, shouldn’t this thread be moved to the Lighting Forum?
    My fan has a sealed motor, direct drive. But not termed explosion proof.


  13. #13
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    Quote Originally Posted by Steve Clardy
    My fan has a sealed motor, direct drive. But not termed explosion proof.
    Same here. I'm planning to spray WB finishes.

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