Span–Tech hoop buildings can be used for flight pens, hay storage, equipment storage, composting, calving, commodities storage, dairy, beef, sheep, swine gestation, farrowing, nursery, finishing, machinery storage, farm shop, construction site protection, and many other general warehousing and storage applications. There are only 3 limitations with Span-Tech hoop shelters - widths are limited to those sizes presently manufactured, some practical height limitations, and your imagination. There are no restrictions on length and very few on how the buildings can be used.