heroal W 77 HI

A window system to meet present and future needs

An intelligent combination of geometry and material enables the new heroal W 77 window system to achieve a Uf value of 0.95­W/m²K (view width: 120 mm) at passive-house level, with an installation depth of just 77 mm. With this development, heroal has designed the thermally separated aluminium window in such a way that it not only meets present demands stated by the 2016 German Energy Savings Regulation (Energieeinsparverordnung, EnEV) over the long term, but also fulfils future requirements for “nearly zero-energy buildings”.


System dimensions

Profile depth [mm]

Frame profile
77
Leaf profile
89
Bar profile
77

Visible profile width [mm]

Frame profile
50 - 250
Leaf profile
33 - 67
Sash/frame combination
90
Bar profile
74 - 254

Casement profi e variations

Push rod fitting groove [SBN]
Plastic fitting groove [KBN]

System properties

Glass filling strength [mm]
66
Max. leaf weight [kg]
300
Max. leaf heights [mm]
2.800
Max. leaf widths [mm]
1.600

Performance characteristics

0,95/120 Thermal insulation [Uf in W/m2K] / Profile width [mm]
4 Air permeability
> 0,72 Heat insulation (Uw in W/m2K) / Profile width [mm]
9A Resistance to driving rain
C5/B5 Wind resistance
1-5 Soundproofing class
RC 3 Resistance to burglary
1 Operating forces
5 Impact resistance
4 Mechanical resistance
Load-bearing capacity of safety equipment
3 Continuous function

* Uw value in accordance with DIN EN ISO 10077-1; calculated using an element size of 1,230 x 1,480 mm; standard visible profile width

!) Application-specific special approvals for oversized elements from heroal

Extras

Tailored support for architects

In order to ensure all-inclusive support, heroal’s team of consultants offer advice across Germany. heroal’s technical support deals with all the questions you may have concerning windows, doors and curtain walls as well as roller shutters, sun protection and roller doors -if required, also on-site of your building project. Are you new to heroal? Get in touch with us today!

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