Calculation Methods
In support of our clients needs, we are able to offer technical support by methods of calculation, for a variety of construction products including curtain wall and window/door systems.
Thermal Transmittance (U-value)
BS EN ISO 10077-1:2017Thermal performance of windows and doors
BS EN ISO 10077-2:2017+A1:2025Calculation of Thermal Transmittance
BS EN ISO 12631:2017Thermal Performance of Curtain Walling
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