Area of building tested See diagrams below |
U-value before Thermal Shield treatment |
U-value after Thermal Shield treatment |
|
---|---|---|---|
A | Windows with double-glazed secondary glazing | 5.2W/m2K | 0.6W/m2K |
B | Window back (50mm rigid insulation below window cill) | 1.6W/m2K | 0.4W/m2K |
C | Window reveal (50mm rigid insulation) | 1.6W/m2K | 0.3W/m2K |
D | External wall / lining (40mm poly-bead insulation) | 1.4W/m2K | 0.7W/m2K |
A lower u-value means less heat has been lost.