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heroal W 77 i

Exterior joinery

Logo of HEROAL

    Approved for

    A@W Düsseldorf 2019
    Düsseldorf 2019 INNOVATIONSDüsseldorf EVENT
    The block window system heroal W 77 i combines a slim design and maximum transparency with top-grade heat insulation. The outer appearance of the window, its invisible sash ideally emphasizing the slim face widths of the system, and heat insulation values of Uf 1.0 W/m²K (standard average) meet highest architectural and energetic requirements. The filigree design makes the system especially suitable for residential and commercial construction. The concealed system fittings heroal WF 100 I in particular enhance the elegant design. The future-proof aluminium compound system is available with conventional inner glazing; its elements serve a number of purposes, including the use as curtain wall insert elements.