RWA Dachlicht

Ventilation and smoke extraction for roof and wall

  • Variable standalone device

  • Approved fall-through protection

  • Sets new standards for exceptional snow loads

  • Also available integrated in the continuous rooflight: Leo-vent

Submit enquiry Technical details

Variabele standalone device

With 100 approved unit sizes for installation on roofs and walls Leo-star is the ideal solution for ventilation and smoke extraction requirements.

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

Approved fall-through protection and increased snow load

Steel mesh grids can be added and with only minor additional design modifications Leo-Star complies with the requirements of DIN 4426 as well as GS-Bau-18 and the Swiss SUVA standard. The result is an approved and guaranteed fall-through protection.

(Under the precondition that maintenance intervals have been followed and installation has been performed by qualified staff).

Exceptional snow loads

Leo-star sets new standards for opening forces for increased snow loads, exceeding 500 N/m2. Tested and approved according EN 12101-2 several standard sizes are available.

Contact Person

Mr. Benner
+49 7426 5270-46

VdS-geprüft nach DIN EN 12101-2

INDU LIGHT designs, supplies and installs individually dimensioned SEV 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 Rauchschutz 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 building directives
  • VDI 3564
  • TRVB S 125

Technical details Leo-star

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


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

Single flap (Leo-star)

Dimensions (m)Aa (m2)
pneumatic CO21,00-2,00 x 1,00-2,500,75 - 3,75
electrical 24 V1,00-1,50 x 1,00-2,500,54 - 2,66

Double flap (Leo-star_double)

Dimensions (m)Aa (m2)
pneumatic CO21,20-2,50 x 1,20-2,500,936 - 4,063
electrical 24 V1,20-2,50 x 1,20-1,500,936 - 2,438

Accessories for Leo-star

Control technology

Control technology

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

Hail protection systems

Hail protection systems

Reliable and approved protection from hail damage with minimum impact on light transmission.

Service and professional maintenace

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.

More information

Fall-trough protection

Safety is our number one priority. That is why all INDU LIGHT continuous rooflights come together with the IAP1 anchor point. This includes a stainless steel bracket which is integrated in the eave structure of the continuous rooflight and fixed to the frame head. Attached to the PPE it protects personnel from falls. Anchor point IAP1 is a tested class A1 anchor device in accordance with EN 795:1996-07/A1:2000-10 (D) und EN 795:2012-10 (D)

Contact us! We answer your questions about daylight systems, rehabilitation and maintenance.

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