Light carpentry is an activity of assembling/assembling customized metal components, for the creation of structures, fixed or mobile, which generally weigh under 5 t and have compact dimensions, which can be trucked.

They are made of various materials, iron (with various finishes), steel, non-ferrous alloys and more. 

Steel, iron, aluminum are the materials usually processed in the light carpentry sector. Thinner sheets are used than those used in heavy carpentry. The structures created in light carpentry are often intended for civil or industrial applications, such as gates, doors, fences.

The light carpentry works can then be finished on the surface, with passivation, galvanizing, burnishing, etc. etc. processes.