AXS 140
AXS 140 is a combined AOV smoke ventilator and roof access hatch providing minimums of either 1 m2 or 1.5 m2 free area in accordance with Approved Document B. It is suitable for use as a staircase ventilator or roof mounted lobby/corridor ventilator to provide external roof access. It has been tested to and is in compliance with BS EN 12101-2 and is CE marked. It is manufactured under the ISO 9001 quality and ISO 14001 environmental management standards.
- Dual-purpose: natural smoke ventilator and roof access hatch (1.0 or 1.5 m² free area).
- Certified to BS EN 12101-2, CE marked for life safety and ventilation compliance.
- Opens to 140° for rapid smoke clearance and safe, easy roof access.
- Durable aluminium and stainless steel build with airtight EPDM sealing.
- Thermal U‑value down to 1.3 W/m²K and acoustic insulation up to 29 dB R’w.
- Polycarbonate daylighting option available
