Frame Ufr- and Ueg-Values according to ISO 15099 are calculated for window frame, mullion and transom constructions. In contrast to the frame U-value according to EN ISO 10077-2 the Ufr-value together with the Ueg-value already contains the thermal influence of the spacer or edge.
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Frame Ufr- and Ueg-value
Summary
•The Ufr-value and the associated Ueg-value are defined by 2 clicks with the Tool Frame Ufr- and Edge Ueg-Value. The two points set the frame area for which the heat flow is to be calculated counterclockwise. The Ufr value and the associated Ueg value are calculated automatically.
•You can adjust the properties of the Roller Shutter box U-value-value calculation in the Properties flyout. Either you can enter the values directly using the keyboard or using the 
tool by clicking on a compatible object of another file or using the 
tool by clicking on a compatible object to link the calculations.
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