ISO 10077-2:2012

Thermal performance of windows, doors and shutters -- Calculation of thermal transmittance -- Part 2: Numerical method for frames

ISO 10077-2:2011 specifies a method and gives reference input data for the calculation of the thermal transmittance of frame profiles and of the linear thermal transmittance of their junction with glazing or opaque panels.

The method can also be used to evaluate the thermal resistance of shutter profiles and the thermal characteristics of roller shutter boxes and similar components (e.g. blinds).

ISO 10077-2:2011 also gives criteria for the validation of numerical methods used for the calculation.

ISO 10077-2:2011 does not include effects of solar radiation, heat transfer caused by air leakage or three‑dimensional heat transfer such as pin point metallic connections. Thermal bridge effects between the frame and the building structure are not included.


General information

  • Current status : Published
    Publication date : 2012-03
  • Edition : 2
    Number of pages : 36
  • :
    ISO/TC 163/SC 2
    Calculation methods
  • 91.060.50
    Doors and windows
    91.120.10
    Thermal insulation of buildings

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