Rockliner U-values
The table below shows the thermal improvements to an un-insulated (brick and dense block) cavity wall when filled with Rockwool HP Energy Saver.
Table showing enhancement of U-values using Rockliner
| HP EnergySaver thickness related to cavity width | U-value of wall filled with blown EnergySaver | Enhanced U-value when dry lined with 52.5mm Rockliner |
| 50mm | 0.58 | 0.35 |
| 65mm | 0.48 | 0.31 |
| 75mm | 0.43 | 0.29 |
| 100mm | 0.34 | 0.24 |
| The contractor will be required to state the U-value achieved on their submission to SEI on completion of works. |
