Eura R

A louvred smoke ventilator in the closed position


The Eura R is a dual purpose natural smoke and heat exhaust vent (NSHEV) louvre for roof or wall mounted natural Smoke & Fire Ventilation.  Suitable for smoke & heat release and day-to-day environmental use.

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Suited to applications where continuous ventilation is required together with the feature of opening the large area of louvre blades for increased ventilation or emergency smoke & heat release. Aerodynamically designed to maximise efficiency the units are suitable for a wide variety of applications ranging from industrial/commercial buildings to shopping centres and atria.

Product Testing

Full independent product testing including opening mechanism, operational reliability, wind load, aerodynamic efficiency, mechanical integrity, environmental & fire performance all conforming & certified to EN 12101-2 specification..

Aerodynamic coefficient of top louvres 0.60 – 0.62 dependant upon size – refer to brochure above.

Energy Conservation

The louvre blades and dampers are fixed with weatherproof sealing tape and energy strips to minimise draughts and heat loss when the blades and side dampers are in the closed position.
The Eura R is also available with insulated blades or translucent polycarbonate blades. Insulated side dampers are also an option.


Units are available in throat sizes ranging from 600mm wide x 980mm long, up to 1800mm wide x 2920mm long.


Corrosion resistant AlMg3 aluminium alloy with corrosion resistant bearings.


A wide range of options are offered using differing body, louvre blade and side damper constructions.

Ventilator body in the following formats:-

  • Aluminium uninsulated shallow profile
  • Aluminium uninsulated
  • Aluminium with insulation to throat
  • Aluminium with insulation to throat and flange

Louvre blades available in:-

  • Aluminium uninsulated
  • Aluminium double skinned with insulation
  • Polycarbonate 8mm thick double walled
  • Polycarbonate 16mm thick triple walled
  • Laminated glass
  • Reinforced glass

Side dampers offered in:-

  • Aluminium uninsulated
  • Aluminium with insulation


In addition to mill finish, also available is a polyester powder paint finish with a wide choice of colours and gloss levels.


For smoke & heat release, and also for day-to-day environmental use if required.

Pneumatic or Electric Actuation Enables connection to Life Safety, Smoke Detection and Building Management Systems.


  • Bird guards
  • Insect mesh


Maintenance should be carried out in accordance with McKenzie-Martin’s recommendations.

System Design & Product Selection

Assistance with scheme design and product selection is offered by our experienced technical team.



There are no drawings for this product.