Custom Size Metal Buildings

A modern white and charcoal steel metal building with a roll-up garage door and covered porch on a rural property at golden hour

A custom size metal building is one engineered to your own width, length, and height instead of a stock footprint.

Most Popular Metal Building Sizes

A modern white and charcoal steel metal building with a roll-up garage door and covered porch on a rural property at golden hour

The most popular metal building sizes cluster around a short list of round footprints: 24×24, 20×30, 24×36, 30×40, 30×50, and 40×60.

Metal Building Sizes & Dimensions

Interior of a large clear-span metal building with exposed red-iron rafters and a person for scale

Metal building sizes explained: a full square-footage chart, the most popular footprints, what fits in each, and how to choose yours.