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Spray Booth Plans
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[quote]QUOTE: <i>Originally posted by dgwinup</i> <br />[All of the other fans mentioned have brushes that can create sparks. If you are using paints with organic solvents, the fumes could build up inside the spray booth and a spark from the motor could ignite the fumes. [/quote] <br /> <br />I've been using my home made spray booth for about 20 years now, with a bathroom fan. Bathroom fans that I've seen and use have brushless motors, so they are not a sparking hazard. I've been using flammable Floquil paint for this time without any problems. <br /> <br />Making your own booth shouldn't be too hard. I had dismantled an entertainment center that I had made from half inch plywood, and used this to make my booth. Here's what my well used one looks like: <br /> <br />[IMG]http://img.photobucket.com/albums/v409/railfan/Booth1.jpg[/IMG] <br /> <br />The bathroom fan on top is fitted to the flexible plastic ductwork that goes to the plywood insert in the adjacent window. I remove the insert when not painting. The booth was painted white inside to make it brighter, and this also seals the plywood from absorbing spilled paint - a possible fire hazard. <br /> <br />I sized my booth's width to that of the local newspaper (2'), and I used pages from it to line the bottom and back of the booth to catch the overspray. I change the paper once in a while. <br /> <br />There is a fluroescent under the counter light mounted on the top entrance to the booth, which gives me good visibility. The light, fan, and the compressor (under the workbench) are all connected to the power bar so I can ensure everything is turned off when I'm done painting. The booth is removable from the workbench if I need more room to work on. <br /> <br />Not seen in the photo is a furnace filter mounted at the back inside, over the fan intake. This captures some of the paint particles before they go out the ductwork. <br /> <br />Also not shown is a piece of panelling that I use as a door for the booth when it's not in use . It is held in place with some Velcro strips. This helps keep the dust out. <br /> <br />The booth with the fan seems to keep fumes out of the rest of the house. I always wear an approved respirator when spraying Floquil type paints. It has cartridges for organic solvents. I cannot smell the paint when I'm using it, so it must be doing its job. Inhaling these fumes is something you do not want to do. <br /> <br />Even when spraying water based paint it is a good idea to have some sort of protection from inhaling the particles. <br /> <br />Bob Boudreau
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