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DIY spray booth and ventilation system

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  • DIY spray booth and ventilation system

    I have seen the question " how do I build a spray booth " posted countless times, so I decided to post some details on my booth. This write up is intended for all the powder coaters out there who want a effective booth that will not break the bank. While not perfect this design has served me for over 2 years with no problems to date. I use this booth for both powder coating and liquid paint applications. This design is made to vent to the powder to the outside of the building. I use a watter trap to catch the powder after it exits my shop. Lets start with the major materials needed in this project:

    1) centrifugal blower fan. (I got mine from a old "jumpin gym" inflatable toy.)

    2) Box fan

    3) some 2x4 lumber and 4x8 SMOOTH wood panels. I stress the smooth part as this makes it easier to clean. Dont use USB here or you will regret it later.

    4) lights for the booth

    5) Wiring and switches to control the lights and the ventilation system.

    6) A case of your choice beverage.



    (click to enlarge)

    Above is the rough design of the booth I made with microsoft paint. It is not perfect or to scale but it keep me on track during the build. Lets start with the side view. The box that is attached to the rear of the booth is used to catch the powder that the box fan pulls it in from the booth. Now that the powder is confined to the small box the centrifugal blower can now effectively capture the powder and discharge it to the outside.
    Now on the the front view. Take your box fan and remove the guards from both sides and attach the metal frame between the booth and the box on the back. Make sure you have the fan facing the right way so it is not blowing the powder back at you . The rest of the booth is pretty much stright forward. Just some basic electrical and carpentry skills and you can have it build in a few hours.

    These were just very general instructions. If you have any questions please feel free to Email or call me anytime and I will be happy to walk you through it. I have included some pictures of the finished product below. Its not pretty as it was made from used lumber but it works great. I hope this information can help someone out there.




    I will also be posting a write up on how to make a dust collector out of your shop vac. This comes in handy for cleaning your powder booth and/or pulling the dust from your blast cabinet. With this design you will never have to replace another shop vac filter and there will be no dust blowing out the back of the shop vac to ruin you finish.

    Here is my contact information if you have any questions.

    10am - 6pm EST

    Tyler Wilson

    706-862-6191
    [email protected]

  • #2
    Re: DIY spray booth and ventilation system

    every time I find a good thread all the pix are gone!!! I built a spray booth with no fans just to catch the dust and see if I needed more. I now have red everything in my sunroom

    any chance you could reload these pix

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    • #3
      Re: DIY spray booth and ventilation system

      x2 on the pic reload.

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      • #4
        Re: DIY spray booth and ventilation system

        I just need some pix or atleast some direction in the custom booth area. I'm tired of my work area being covered or my driveway being covered

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        • #5
          Re: DIY spray booth and ventilation system

          Originally posted by fozy121
          I just need some pix or atleast some direction in the custom booth area. I'm tired of my work area being covered or my driveway being covered
          Go to my photo bucket link on the signature,.... look around and there are pictures of my booth. A completed, inexpensive booth. Works well,... and like all booths,.... needs constant cleaning. You will have to change filters once in a while (depends on how much you use it) just like any booth. Take a look.

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          • #6
            Re: DIY spray booth and ventilation system

            Here is a finished pic of mine and a link with some pics of how I built it. This sort of thing is the only reason I keep my Myspace page. I did do a complete write up on here, but like you said, the pics are gone. This will give you some ideas to play with anyway. I did build another 'box' of filters on the blower exhaust to catch any powder that gets past the first set.
            It works well and keeps all the powder in the booth. I run a shop vac over the filters to clean them, then blow them off with air to get the rest.
            Someday i would like to build a better design like the industrial ones that let the powder past the first stage, and collect the powder in the second or third stage of filters, or even a water trap like mentioned above, but this works great for now.
            http://www.myspace.com/larryhasche/phot ... gs/1471025

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            • #7
              Re: DIY spray booth and ventilation system

              Box fans really provide enough suction?

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              • #8
                Re: DIY spray booth and ventilation system

                Nice work on that and the oven Larry!


                Jay

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                • #9
                  Re: DIY spray booth and ventilation system

                  Originally posted by rbroker
                  Box fans really provide enough suction?
                  They do a fine job as long as you keep the filters clean....

                  That's where I'd rather have a nicer booth, but can't justify going all out just yet. I have been working on a blast cabinet for large items (Motorcycle frmes and such) with Ferrin from the 365 forums.... It's looking good now.... just need more time and parts to finish it.... Then maybe I can spend some time working on a new booth. I have a design in mind, and a fan available that should do the job now.... if not, I willl allow for fan upgrades.

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                  • #10
                    Re: DIY spray booth and ventilation system

                    WOW! Larry that oven looks great! I can't wait to build a new oven to suit my needs. I'll have to have a new place to work though. My sunroom is getting pretty cramped.

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                    • #11
                      Re: DIY spray booth and ventilation system

                      Originally posted by fozy121
                      WOW! Larry that oven looks great! I can't wait to build a new oven to suit my needs. I'll have to have a new place to work though. My sunroom is getting pretty cramped.
                      Thanks! So far it works like a champ. I'd already like a bigger one, but I'm not ready for that punishment again yet.

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                      • #12
                        Re: DIY spray booth and ventilation system

                        on step 3 dont you mean OSB (oriented strand board) ?
                        I would like to see the pics that are gone.

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                        • #13
                          Re: DIY spray booth and ventilation system

                          Larry where did your source most of your parts for the oven. I noticed a lot of them are similiar t othe ovens on ebay. Shoot me an email if you would so we don't trash up this thread. thanx [email protected]

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                          • #14
                            Re: DIY spray booth and ventilation system

                            I got all the electronics from Ted of www.tedsfabrication.com ..... Great guy to do business with and many of us have.

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