Stirling AOV N-SHEV Smoke & Natural Casement Ventilator

The Stirling AOV Casement Ventilator is a smoke and natural EN-12101-2 tested ventilator manufactured with varied infills’ maximising its versatility. Suitable for either vertical or horizontal application, it has been specifically designed to meet both the functional and aesthetic demands of the modern construction industry and provides the perfect blend of performance, versatility and aesthetics.

  • TESTED TOBSEN 12101-2:2003
  • Approved Doc B Free Area1.0m² & 1.5m²
  • Benefits


    • High aerodynamic, acoustic and thermal performance
    • Meets 1.0m² and 1.5m² free area requirements
    • Glazing & façade system integration
    • Opens within 60 seconds
    • Dual functionality for smoke and day-to-day ventilation
    • Low profile design
    • Pre-assembled units for easy installation
    • Custom RAL/BS colour options
  • Features

    Total control infill options

    The Stirling AOV Casement Ventilator is available with insulated aluminium panel sheet, polycarbonate panel sheet, single glazing or double glazing. We can supply other glazing options on request up to 48mm thick glass. This creates the opportunity to diversify your smoke ventilator to suit any requirements.

  • Features

    Application versatility

    The Stirling ventilator can be installed horizontally or vertically into a range of systems. These systems include glazing systems, facades, curtain wall frames and block work openings. Furthermore, it can be used in pitches from 0 to 90°.

  • Features

    Tailored to suit your project

    The Stirling can be manufactured in various single or double sizes designed and developed to meet the needs for 1.0m² and 1.5m² Free Area automatic opening vents (AOV’s) for staircase and smoke shaft ventilation applications together with small module units for sealed Lift shaft smoke ventilation systems.

  • Features

    Access hatch capability

    The Stirling AOV smoke vent has the increased benefit of being used as an access hatch in case the access to the roof is limited. These units are able to open up to 90° and are often installed to allow regular access to roof terraces via internal staircases, which opens up new development possibilities.

  • Features

    Security is key

    The Stirling can be manufactured to include bird guards to protect the vent from birds flying in when the ventilator is open. Security bars to stop any burglar coming in from the rooftop into the building.


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How to Buy

As manufacturers only of N-SHEV ventilation equipment, our ventilation division can offer you product selection and application advice, or we can put you into contact with one of our ventilation design and installation partners who can provide you with a full turnkey package.

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Get product selection and application advice for your project, or If you know your requirements, we can give you a quote, typical free areas and provide you GA drawings to assist you with your project.

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Design & Installation

As manufacturers of N-SHEV ventilation equipment, we work in partnership with the UK’s leading ventilation specialists in the design, supply, installation and maintenance of N-SHEV systems.

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