Builders and Suppliers of Wide Span Curved Roofs

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Andair Shelter and Ventilation Systems

Spantech is the exclusive Australian agent for Andair AG. We supply Andair’s full range of blast doors, blast valves and blast vents for all types of blast resistant buildings and survival shelters constructed in Australia.

Swiss based Andair AG is a world leader in the design and manufacture of the critical protective systems and components widely used in personnel protection shelters and specialised equipment storage facilities.

Andair has over 40 years experience.  Andair’s specialised components are installed in more than 3,000 large protected installations in over 55 countries across the world.

In Australia these installations include Spantech’s earth-covered explosive storehouses and personnel protection facilities constructed for the Australian Department of Defence.

Unique Technology

Andair’s range of protective technology is classified in three main areas:

Protective Shelter Components

Andair Shelter Protection ComponentsAndair components and systems are used in shelters, safety rooms and control rooms of:

  • Civil defence shelters
  • Air raid shelters
  • Hardened underground facilities, and
  • Many other critical protective infrastructure.

Sound and Vibration Damping

Andair sound and vibration dampingAndair’s extensive experience with state-of-the-art sound and vibration protection techniques guarantees innovative and reliable solutions.


Andair Ventilation ComponentsFresh air is essential.

Andair is the best choice to ventilate survival and blast protection facilities with proven know-how and guaranteed quality across their entire ventilation product range.

Full Product Range

See the full range of Andair AG products at

Contact Spantech to discuss your specific protective equipment requirements and Order Andair AG products for Australian projects.