The passive house-certified window system
Window system heroal W 77 PH
Use of heroal W 77 PH with heroal WF EM hardware system

heroal W 77 PH

Aluminium window system with passive house certificate

With its design depth of only 77 mm and a face width of 180 mm, the window system heroal W 77 PH meets the high passive house requirements created by the German Passivhaus Institute, Dr. Feist. This system is perfectly suited for being used in passive houses. It saves energy costs and is easy on the environment. In addition, the aluminium window system heroal W 77 PH offers the lowest design depth of all aluminium composite systems with passive house certification.

  • Passive house certification
  • Filigree design
  • Burglary resistance class RC 3

    Product Details

  • Prospects

  • Dimensions & drawings

    Sectional Drawings

  • Performance characteristics

    bis RC 3 Resistance to burglary
    3 Continuous function
    9A Resistance to driving rain
    5 Impact resistance
    >0,67 Heat insulation (Uw in W/m2K) / Profile width [mm]
    0,78/180 Thermal insulation [Uf in W/m2K] / Profile width [mm]
    4 Mechanical resistance
    1 Operating forces
    4 Air permeability
    1 Load-bearing capacity of safety equipment
    1-5 Soundproofing class
    C5/B5 Wind resistance


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heroal systems stand for a variety of designs

Colour is one of the most important elements of design, both in interior design and architectural design of the building shell. The versatile coating technologies and colour spectrums offered by heroal provide for the best variety of designs in highly weather resistant quality. In addition to this great variety, heroal offers a bending and edging service for round arches and curved elements for windows and doors, as well as an extensive range of fabrics for heroal zip and textile screens.

The heroal promise

When it comes to how we live and work, the most important thing is having choices. heroal knows that. As a family-run company with more than 140 years of experience, we believe that when it comes to quality, there are no compromises. That is why our products give you a way to create ideal solutions for nearly any requirement. As a technology leader, we believe that quality means more efficiency, more reliability and more performance – solutions that are "SIMPLY. BETTER."

  • over 3,500 specialist partners worldwide
  • products with tested quality
  • family-run company with a long tradition
  • made in Germany
  • personalised design
  • comprehensive range of services
  • superior technical solutions