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Date:  12-5-2014
Number of Hours:  0.00
Manual Reference:  
Brief Description:  Paint Booth

The paint booth in my basement workshop has seen a lot of use for several projects, and needed to be thoroughly cleaned and upgraded before starting a new project. To upgrade the booth, I built an aluminum box around the exhaust fan with a filter mounted on the inlet side. This filter protects the blower, the window, and outside of the house from overspray. I added a hinged door to the right side of the booth to eliminate airflow through this previously unprotected opening, then added a six-panel frame to mount replaceable furnace filters to one of the visqueen walls to clean the incoming air.

I added two florescent light fixtures in the booth ceiling, greatly improving the lighting, and an air filter/regulator panel on the inside of the booth. It has two air pressure regulators, one to provide air pressure to the paint gun, and the other to provide low pressure, breathable air to a carbon filter face mask. One of the carbon filters on the face mask is blocked off to prevent air flow, while the other is covered with an aluminum plate with an attached ¼” aluminum tube. A ¼” plastic hose connects the low pressure regulator to the tube on the facemask. This air is filtered by the carbon filter on the mask, removing any contaminants from the compressor. The compressor sits outside the booth, so it is using uncontaminated air. The low pressure regulator is set just high enough to provide a positive pressure in the mask while you are inhaling, so there is no risk of inhaling paint fumes. When exhaling, the excess air passes through the mask exhaust valve.

This booth will be used for priming components, and painting the interior cockpit components. If I decide to paint the entire airplane myself, the paint booth will be lengthened by moving the wall with the inlet air filters and door about twelve feet so the fuselage will fit with plenty of room.
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Paint booth fabricated from 2X2's and visqueen.

Paint booth fabricated from 2X2's and visqueen.

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Exhaust blower enclosed in a filter mount.

Exhaust blower enclosed in a filter mount.

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Filter & regulator system mounted inside the booth.

Filter & regulator system mounted inside the booth.

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