We will happily
advise you

Hahn S9

Single glazed, louvre blades overlapping, slim side glass fixings

The HAHN Louvre Windows S9 was developed for optimized, controlled ventilation. It combines good tighntess with attrative architectural effect when insulated glazing is not necessary. Appearance is dominated by overlapping glass louvres.

Use of other fillings such as timber, aluminium or even stone panels will result in interesting appearance with selective light control.

The S9 is certified for use as NSHV (Natural Smoke and Heat Ventilation) device according to EN 12101-2


Profiles        Window frame        AL-profiles, non thermal broken       
Louvre blade frame        Frameless
Dimensions         Frame width         min. 250 mm, max. 1600 mm
Frame height        min. 200 mm, up to any height        
Louvre blade height        min. 150 mm, max. 350 mm
Frame depth        46 mm
Max. opening angle        84°
Glazing        Glazing       

Single glass

Glass thickness        8 / 10 / 12 mm
Standard glazing       
Glass types        Toughened, Laminated
Alternative infill types        Timber, aluminium, stone Panels ...
Control          Manually, electrically, pneumatically
Surface           Anodised / PPC finish       
           Performance         CE certified (EN 12101-2) Smoke vent       
Aerodynamic performance Cv 0,65
Air permeability (EN 12207) Class  2
Watertightness (EN 12208) Class 3A
Resistance against wind load (EN 12210)        Certified
Uw-value (EN ISO 10077)
Further characteristics

Above all, for everyone at HAHN Lamellenfenster, service means competence and continuity

The specialist consultants at HAHN Lamellenfenster guide architects, window constructors and clients through all phases of a project. With many years of experience and technical expertise, they advise you during all processes and support you with exactly the information and data you need. At HAHN, individual wishes and tailor-made solutions are part of our everyday routine. And we look foward to every challenge.