Achieving Fabric Energy Efficiency Standards
Building to 2013 standards, Code level 4 or 5, or looking
towards 2016 and Zero Carbon, CavityTherm in a traditional
brick wall with a reasonable cavity width will get you there!
Achieved U-values
| Element | U-values (W/m²k) |
|---|---|
| Walls | 0.14 |
| Roofs | 0.12 |
| Floors | 0.15 |
| Windows | 1.20 |
| Doors | 1.50 |
| Thermal Bridging | Y=0.05 |
| Air Permeability | 5m³/hr/m² |
FEES Targets (Conducted in a range of dwelling types)
| U-value | Unit (W/m²k) |
|---|---|
| Walls | 0.15 - 0.18 W/m²K |
| Roofs | 0.13 W/m²K |
| Floors | 0.13 - 0.15 W/m²K |
| Windows | 1.2 - 1.4 W/m²K |
| Doors | 1.0 - 1.4 W/m²K |
| Thermal Bridging | 0.04 - 0.07 W/m²K |
| Air Permeability | 5.0 - 5.2 m³/hr/m²@50Pa |
