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Window U-value
EN ISO 10077-1Overall Uw from the glazing, the frame and the glass edge.
Geometry
mm
mm
mm
Sightline to outside edge, all round.
Build-up
Uw
1.55 W/m²K
Glass area
1.44 m²
Frame area
0.36 m²
Glass fraction
80.09 %
Edge length
4.84 m
One frame width all round and a single glazing type. It does not model transoms, mullions, opening lights or a sash within the frame, each of which adds frame area and edge length.
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