To build a booth in your garage, try creating a frame out of PVC pipe, plastic sheeting, and duct tape. You'll also need a box fan and filters for ventilation. Your spray booth needs a filter and there are two to choose from. Explosion Proof Exhaust Fan For Spray Booth by Saum Hadi Posted on October 8, 2019 Infitech hot environmental economical water curtain spray booth for small parts bench spray booths na pro x spray booth grade motors explosion proof fan for spray booth diy spray booth … First, you have the exhaust filter and then the intake filter. Lumber and plastic, easy to put up and down, with a vent. It would not be inside my garage, no space or I would spray in there. It will be freestanding. The exhaust filter works by capturing over sprayed coatings before they are put into the environment and the intake filter is used to clean dirt and other contaminants from the air that enters into the paint booth itself. With this simple setup, you can create a booth that will handle spray paint cans and guns. I want to build a spray booth.