A classic metal hangar has several major limitations:
- Internal supports that reduce usable space and complicate the manoeuvring of large machines
- The need for heavy foundations and long construction times
- High difficulty and cost of moving or expanding the structure
- A permanent facility that is hard to adapt to evolving quarries
In contrast, a pneumatic structure is installed in just a few days, without permanent foundations. It provides a completely free volume without intermediate supports, which makes it easier to manoeuvre dump trucks, excavators and loaders. It can be dismantled and reinstalled on a new sector of the quarry as the works progress. Over the full life cycle, it is often more economical thanks to short timelines, the absence of heavy foundations and the possibility of reuse.