AXS 140 is a combined AOV smoke ventilator and roof access hatch, providing either 1.0m2 or 1.5m2 free area in accordance with Approved Document B, Appendix C. It is suitable for use as a staircase ventilator or roof mounted lobby/corridor ventilator and to provide external roof access.
Where access to the roof is not required, please see our louvred smoke ventilator.
All AXS 140s come as a complete kit:
- Battery back up
- Manual call point
- Wiring schematic
- Internal / external switch
- Fixing screws
- Smoke Detection
View this kit in a building
Lid options
Polycarbonate - Allows daylight entry
Insulated - Higher U Value / thermal qualities
Extras:
How the kit works:

With Express Works, you get:
Standard units dispatched quickly
Specialist knowledge of smoke control and ventilation systems
Priority treatment for any size enquiry
Easy and secure online payment
Project support where necessary
*Scottish regulation requires 2 additional FOS Switches.