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HAHN-S945 Single Glazed Flush-Closing Louvre Window
Description

With single-glazed flush closing louvre blades with point-fixed pivots, the Ventüer HAHN-S945 louvre window has an architecturally appealing design. The 45° chamfered blades close flush, resulting in a smooth glass surface. It has a maximum of 84° opening with no additional blade frames surrounding providing as much free ventilation area as possible.

Key Features
  • Single glazed louvre blades
  • Various glass thicknesses available, between 8 - 12mm, to suit project windloads
  • Glass blades will clear span up to 1600mm wide without intermediate mullions (wind zone dependent)
  • Compatible with all common structure and cladding types, including precast concrete, metal cladding, fibre cement sheet, window joinery and unitised curtainwall systems
  • Extruded aluminium frame, available in standard RAL powdercoat colours or anodising
  • Multiple control options, including manual lever handle, electric actuators and pneumatic systems
  • Anti-finger entrapment sensors fitted to electric actuators as standard
Scope of Use
  • Designed for use as a natural ventilation device
  • Single glazed blades available in thicknesses between 8 - 12mm which are able to span up to 1600mm wide without intermediate mullions (wind zone dependent)
  • Constructed with an extruded aluminium frame and suitable for salt-spray zones and other corrosive environments when powdercoated appropriately
  • Compatible with all common structure and cladding types, including precast concrete, metal cladding, fibre cement sheet and unitised curtainwall systems
  • Available with optional frame profile which integrates directly with standard window joinery, being set within the glazing pocket and being rubbered in
  • Multiple control options available, including manual lever handles, electric actuators and pneumatic systems
Limitations on Use

If increased thermal insulation is required, consider using the HAHN-S9iVA or HAHN-S9iVT (thermally broken) products instead.

Installation Requirements

Installation requirements for the HAHN-S945 glass louvre system vary dependent on the site wind loads, louvre panel sizes, cladding type and primary structure detailing. Ventüer provides full shop drawings for all installations which show sequencing, fixing type and sizing, flashing requirements and sealant details. Installers should make themselves fully conversant with these shop drawings prior to installation commencing.

Statement of Building Code Compliance
  • When sized correctly, the HAHN-S9 glass louvre system complies with the requirements for natural ventilation of buildings under the New Zealand Building Code clause G4
  • When installed in accordance with Ventüer technical literature, shop drawings and site-specific engineering the HAHN-S9 glass louvre system complies with the requirements for structure under the New Zealand Building Code clause B1
In-Service History

The HAHN series of glass louvres have been supplied to the New Zealand market via Ventüer since 2019. Prior to this period they were distributed by another reseller, and there are multiple projects through New Zealand featuring the HAHN systems.

Other Performance Attributes
  • Class 2 air permeability (EN 12207)
  • Class 1A watertightness (EN 12208)
  • Certified to EN 12210 for resistance against wind load
  • Sound insulation of 26 dB (EN 14351-1)

Warranty and Maintenance

Warranty information and maintenance requirements to comply with B2 can be found in the Ventüer Aluminium Ventilation Louvre Operation & Maintenance Manual

Environmental Information

Effective use of passive ventilation devices such as glass louvre systems can significantly reduce the energy consumption of a building, reducing both its carbon footprint and whole of life cost.

Documents
Ventuer Glass Louvres Manual
Ventuer Aluminium Ventilation Louvre Operation & Maintenance Manual
CAD/PDF Details
HAHN-S945 Data Sheet

HAHN-S945

Installation Details
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HAHN-S945 Fixed to Window Joinery

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Ventüer designs and supplies engineered natural and mechanical ventilation products and systems for commercial, industrial and high-density residential construction projects.

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