Rushmore Single Pipe Hoop Barns 24′ Hoop Barn 30′ Hoop Barn 36′ Hoop Barn Our single tube hoop buildings are built heavier than any other fabric shed that we know of in the business. Our 12 gauge Gatorshield 2-3/8″ to 3″ pipe rafters are hot dip galvanized steel. These hoop buildings are meant for rugged …...