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This is the third iteration of my shop paint booth. First, I made a collapsable, desktop version made from plastic sheets. Second, I made a huge (frankly, oversized) version with filter baffles and a large capacity. In this version, I want to reduce the sprayable space, upgrade the exhaust fan, and add several drawers for paint cans. Although the sprayable area will be less, the overall footprint will be the same. To segregate the spray booth from the lower storage area, I will build two 2×4 box frames and stack them on top of each other.
The frames are simple and wrapped with inexpensive marker board material. This will hopefully help reflect light to brighten up the space, as well as make it easier to replace once they get filthy. The back panel will accommodate the exhaust port from the new fan. For this paint booth, I will forgo the filters and replace them with a different baffle system. Once the two 2×4 frames were mounted together and the upper section wrapped, I could focus on how to install the exhaust vent.
I recently replaced the original furnace fan with a higher power, quieter in-line fan. Rather than trying to suck up a huge volume of air like the previous version, I am going to minimize the opening to help increase the air velocity. To do this, I cut a panel and added some triangular braces to make a slanted wall over the suction port. This way, the wet paint can hit this wall and the particles & fumes can be be sucked up under the slanted hood.
This is the biggest upgrade for the newest paint booth. As a reaction to my current painting habits, I have to find space for the huge collection of cans that lay around the paint booth. My solution is to fill the lower space with pull-out, vertical drawers capable of holding a lot of paint cans. Each of the seven drawers will have three shelves capable of holding 8-10 cans each. I can then organize the cans into varnishes, primers, and colors. The drawers themselves are simple plywood boxes with shelves mounted to upper drawer slides and rolling casters on the bottom. This solution really helped support the weight on the bottom of the drawer.
The booth is now functional, but I think there are ways to maximize the efficacy of the paint booth. First, the drawers need some handles. Josh modeled up a handle bracket in Fusion 360 that will accept some inexpensive metal conduit that can span the height of each drawer. I 3d printed them and mounted them to the drawer faces. To replace the overhead lighting from the old paint booth, I added a strip of 12v LEDs covered with some packing tape to protect the strip from overspray. This LED strip projected light into the space rather than straight down on the piece.
To help hold hanging fixtures, I cut some metal chicken cloth and added it to the roof of the paint section. This way, I can hang multiple pieces and paint them together. Lastly, I wanted to make sure the paint overspray stayed inside the booth. I help with this, I modified some spring clamps to hold some 12 v computer fans. The positive pressure from the fans can assist the negative pressure from the exhaust to evacuate the fumes from the space. The spring clamp idea allowed me to move the fans around to address each project and add some drying power.
Paint Booth’s Third Age
I don’t normally redo projects, but I do like addressing problems as I use an item. Each iteration of the paint booth has addressed a shortcoming from the previous one. While this is a really nice version that addresses a lot of problems I find, I’m sure it won’t be the last version. I think that is a healthy way to plan out your shop. Plan for future change and note things that aren’t effective. Whether it’s a workbench, a paint booth, or the overall setup of your space, don’t be afraid to change things up.
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- SawStop cabinet saw
- Dewalt 20v drill driver combo
- Dewalt Miter Saw
- Countersink drill bits
- Orbital Sander
- Pancake compressor/nail gun combo
- Shop Fox Hanging Air Filter
- 2HP Dust Collector
- 1 Micron bag
- Speed square