Combined AOV smoke ventilator and roof access hatch designed providing either 1.0 or 1.5 m² measured free area in accordance with Approved Document B, Appendix C.

Suitable for use as a staircase ventilator or roof mounted lobby/ corridor ventilator and to provide external roof access.

A combined AOV smoke ventilator and roof access hatch designed providing either 1.0 or 1.5 m² measured 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.

Features and benefits:

• A wide range of applications: installed onto roofs providing high level smoke control extract as well as roof access. Its polycarbonate flap option allows the entry of natural daylight.
• Weather resistant: The sealing system consists either of EPDM profiles which keep air leakage down to a minimum.
• Durable: The AXS 140 flap is manufactured from tough, corrosion resistant aluminium with aluminium hinges and stainless steel pivots. It is manufactured under the ISO 9001 quality standard.
• Large opening angle: Opens to 140⁰ which permits it to meet the requirements of EN 12101-2 for this kind of product.
• Certified performance: Exhaustively tested and certified to EN 12101-2: 2003 in accredited third party test laboratories and is CE marked.
• Manufactured under the ISO 9001 quality and ISO 14001 environmental management standards.
• High thermal performance: Thermal performance varies with size and options, ranging from 1.3 to 2.4 W/m²K.
• High acoustic performance: A sound reduction of up to 29 dB Rw may be achieved.
• Low silhouette: No ugly and inconvenient wind deflectors are needed.