Lyra – louvred ventilator for various applications

  • Ventilation and smoke extraction for roof and wall

  • Variable application as ventilation- and SHEV-device

  • Aluminium or polycarbonate segments

  • Also available integrated in the continuous roof light: Lyra-vent

Submit enquiry Technical details

Ventilation and smoke extraction for roof and wall

INDU LIGHT louvred ventilator Lyra-star is the ideal solution for any requirement on professional ventilation and smoke extraction devices. It features a range of 40 tested unit sizes for installation on roofs and walls.

Depending on their intended purpose the louvred segments can be supplied in polycarbonate(Lyra-star_P) or aluminium(Lyra-star_A).

Lyra-star sets new standards for opening forces for increased snow loads. It has been tested and is approved in 24V technology up to 750N/m² in accordance with EN 12101-2. Units, which were tested for even higher snow loads are also available on request.

The standalone device Lyra-star is ideal for manufacturing facilities, workshops, storage facilities or buildings with similar requirements.

Variable application as ventilation- and SHEV-device

Lyra-star can be applied as standalone device on the entire roof area |1| and in the façade as SHEV or ventilation |2|.

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VdS-approved according to DIN EN 12101-2

INDU LIGHT designs, supplies and installs individually dimensioned SHEV units. We are a specialist business certified according to ISO 9001:2000, a VdS-approved constructor company and an active member of the trade association Tageslicht und Rachschutz e.V.

The CE approval of our products was carried out by VdS institute for fire protection and security. Proven pneumatic technology or 24V technology are available for our SHEV devices.
Beside standard design principles of smoke and heat exhaust units we also consider the standards and guidelines including:

  • DIN 18232
  • VdS guidelines
  • Industrial construction directive

Technical details for Lyra-star

Used purely as a ventilation flap, Lyra-star can be configured to almost any desired set of dimension.


The values quoted below relate to reference natural smoke and heat exhaust units (NSHEV), defined in DIN EN 12101-2 or SHEV units in combination with natural ventilation.

Louvred ventilator (Lyra-star_P)

 Dimensions (m)Aa (m2)
pneumatic CO20,88-2,31 x 1,15-2,910,66 - 4,03
electrical 24 V0,88-1,88 x 1,15-2,030,57 - 2,40

Product sheet Lyra

Louvred ventilator (Lyra-star_A)

Dimensions (m)Aa (m2)
pneumatic CO20,84-2,24 x 0,62-2,39-
electrical 24 V0,84-2,24 x 0,62-2,23-

Accessories for Lyra-star

Control technology

Control technology

Intelligent control technology integrated in the  building automation system. Drive technologies are available as pnestumatic and electric solution.

Service and professional maintenance

As manufacturer and approved supplier of SHEV systems INDU LIGHT performs regular maintenance. Our professional service technicians verify that SHEV devices and systems are in order and fully functional. The records of the inspections performed are stored and managed by INDU LIGHT.

By law SHEV systems must be maintained at legally defined inspection intervals. Contact us – we will schedule and arrange maintenance on time.

Fall and fall-through protection

Continuous rooflights and light domes without structural features to render them permanently fall-through proof must include suitable covers or suspended structures which prevent individuals from falling through. INDU LIGHT protective systems are available for continuous rooflights and light domes and can be retrofitted onto all current INDU LIGHT products.

More information

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We offer individual Calculation Service. Prompt and free of charge.