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Es-Shaft Louvre

Es-Shaft Smoke Vent Louvre is fully certified to BS EN12101-2 and equally suited to industrial, commercial and residential developments. As a high-performance vent, Es-Shaft Louvre opens to 90° in under 60 seconds to provide a variety of free vent areas for use as smoke shaft vents and internal inlet air vents.

They are powered by 24V CDC actuators with a drive open, drive close operation.

You can mount them within an aperture or curtain wall system, flush mounted into a finished opening. Manufactured from thermally broken aluminium frame and composite insulated panel louvres, you can order in mill finish or polyester powder- coated to any standard RAL colour.

  • Available in a wide range of bespoke widths and heights
  • Flush centre pivot louvres
  • Synchronised operation by a maintenance-free rack and pinion mechanism, enclosed within the side frames
  • Highly impact-resistant in open and closed positions
  • Simple installation into a wide range of substrates

Shapes and sizes

Available in a wide range of bespoke widths and lengths.


Manufactured with composite insulated blades. Available in mill finish or polyester powder coated to any standard RAL colour.


Es-Shaft Louvres incorporate 24V DC actuators which open to full stroke in under 60 seconds.  Their  electrical consumption is minimal and the design incorporates a soft-close and anti-trapping feature making them suitable to use in trafficked areas.  They are tested to 11,000 cycles for reliability and are certified to EN 12101-2 as part of the whole smoke vent louvre.

Voltage 24V DC
Current (with load) 1.2 Amp
Opening Angle 90o
Operating time <60 seconds
Ambient temperature -0.5oC – + 70oC


Click here for full details on controls.


Es-Shaft Louvre smoke vents are CE certified to EN12101-2 and have been independently tested by an accredited third party.


Es-Shaft Louvres are guaranteed against the effects of defective design, materials or construction for ten years, subject to certain conditions. ‘Special Project’ guarantees are available. For further details contact us.

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