If you use for automotive refinish applications, paint spray booth sizes tend to be more standardized, with 2.7m heights, 3.9m widths and 6.9 or 9m lengths. Higher ceilings to accommodate taller vehicles and size customizations are available.
Confirm the type and size of the products you will work with to make sure there is adequate space and airflow through your paint booth. Not only should you consider the working dimensions inside the booth, but also the space around the exterior of the booth is important.
The paint booth range from enclosures small enough to paint a cell phone case to ones large enough to paint a steamboat. Begin to understand the primary industry you work in. This will help to narrow down the options available to you and help you find spray booths with the features and options that matter most to you.