• Copper Steel
    SECCO OS2 75 Internally open and internally inverted window
    The value of building exterior design can be enhanced through narrow edge design and high-performance detail changes.
    1.04W/(㎡K)
    Thermal insulating property
    46dB
    Sound insulation performance
    8A
    Water tightness performance
    4
    Air tightness performance
    The data is provided according to European laboratory standards, and specific values should follow the results of national standard testing.
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  • Yanhe Doors and Windows Product Manual
    SECCO Door and Window Product Manual
    Lintan Wood Window Product Manual
National standard physical properties of doors and windows
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