Indiana Walk-In Powder Booths for Large Parts and Frames
Trailer components, equipment frames, railings and large fabrications do not fit in a small automatic booth. Indiana shops powder coating big parts use walk-in booths, either open-face or drive-through, where operators coat parts hanging on carts or an overhead rail. Double D installs large powder booths and the exhaust, filtration and utilities that support them.
Discuss your installationOpen-face or drive-through
An open-face booth has one open side, and parts roll in and back out. A drive-through booth has openings at both ends so carts move straight through to the oven. Drive-through layouts improve flow but need more floor space and careful airflow to avoid powder escaping at the ends.
Airflow across large parts
Big booths have big cross-sections, and airflow has to stay high enough at the face to contain overspray. That means larger fans and more filter area. We size the booth exhaust around the opening and the part size.
Moving heavy parts through
Large parts usually hang from carts on rails or from an overhead monorail. Track alignment, cart clearance and the path from booth to oven all need to line up.
- Rail or track aligned through booth and oven
- Cart height clears booth and oven doors
- Hook and rack design that keeps a ground path
- Space to stage carts before and after coating
Coating heavy steel evenly
Thick steel takes longer to heat in the oven, but in the booth, part geometry matters more. Inside corners and recesses can resist powder because of Faraday cage effect. Operators need room to reach those areas and gun settings that match the part.
Planning a booth or oven project in Indiana
Crews mobilize from Houston; Indiana is roughly 850 miles away, so equipment, panels and tooling are staged and shipped ahead of the install crew.
Manufacturing in Indiana is concentrated around Indianapolis, Fort Wayne, Evansville, and South Bend. The sectors most likely to be specifying spray booths, blast rooms, powder systems and cure ovens there include automotive and powertrain, RV and trailer manufacturing, steel, and aerospace components.
Cold winters mean make-up air heaters are sized for sub-freezing intake, and booth or oven placement has to account for frost lines, snow loads on roof penetrations and winter slab work.
Frequently asked questions
What size powder booth do we need for trailer parts?
Large enough for your biggest part with room for operators to work around it. Bring part dimensions and how they will hang.
Is a drive-through booth better than open-face?
Drive-through improves flow to the oven but needs more space. Open-face fits smaller footprints.
Why is powder not getting into inside corners?
Faraday cage effect pushes powder away from recesses. Gun settings and technique help.
Can a large booth recover powder?
Yes, with cartridge recovery modules sized for the airflow, though many large-part booths spray to waste.
What utilities does a large powder booth need?
Electrical service for exhaust fans and gun controls, plus clean, dry compressed air for guns and filter cleaning.