The dimensions of train cars, particularly their height, width, and length, play a crucial role in shaping and organizing a train paint booth. Depending on the specific tasks performed on the train, booths can be designed to optimize the overall interior volume of the paint booth. By creating a design that accommodates the train car's structure while considering the nature of the work, the airflow requirements can be optimized to minimize overall airflow, heat dispersion, and contamination control. This customized design significantly reduces the size of the air handlers required and lowers the energy needed to condition the paint booth. As a result, the rail paint or refinish booth achieves energy savings on a daily basis throughout its lifespan.

When it comes to a rail refinishing facility, the design of a paint booth system may vary depending on whether the focus is on refinishing parts or manufacturing complete train cars, where most parts are painted separately and then installed. For railcar refinishing or refurbishment, a viable solution could be to divide a large paint booth, spanning 150 feet, into multiple smaller booths using divider doors. This flexible arrangement allows the facility to utilize the entire booth as a single, long paint booth when painting entire rail cars or locomotives, while also utilizing smaller spaces or specific sections of the booth for parts painting. This approach ensures that the facility only consumes the necessary energy to heat and paint the rail car or parts, eliminating the need to activate the entire paint booth system when a smaller area suffices.