Window System - heroal W 77 HI | heroal
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Window System - heroal W 77 HI | heroal

  • Available in

  • Use

    Window system
  • Applications

    Residential, Passive housing
  • Characteristics

    Energy saving, thermal insulation, sustainable, burglary resistant, air permeable, wind and rain impact resistant

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heroal's heroal W 77 HI window system is designed with specific geometry and materials that achieve an Uf value of 0.95­W/m², making it suitable for passive-housing requirements. The heroal W 77 HI window system is made with a thermally separated aluminum profile that meets the 2016 German Energy Savings Regulation, making it sustainable for long-term structures. The energy-efficient window system reflects heroal's emphasis on creating products that fulfill future requirements of net-zero energy buildings.

Product Benefits

  • Sustainable and energy-efficient design
  • Durable and resistant to burglary, driving rain, and wind impact
  • Thermal and heat insulation
  • Soundproofing class 1-5
  • Design freedom thanks to high-quality heroal hwr powder coating

Sizing - Profile Depth

Frame profile 77mm
Leaf profile 89mm
Bar profile 77mm

Sizing - Visible Profile Width

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

System Properties

Glass filling strength 66mm
Max. leaf weight 300kg
Max. leaf height 2.8mm
Max. leaf width 1.6mm

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