15 metre Diameter Domes

* 15 metres diameter = 50 feet

* 7.5 metres height = 25 feet

* 177 square metres floor area

* 31.8mm galvanised steel tube frame

* PVC canopy, reinforced clear PVC bay window; fire retardant

* 4 entrances: 3 metres high

* 5 heat vents at top

* assembled in 9 hours, disassembled in 5 hours

* structural engineering certification

* can be used on concrete, grass or platform