| Application | Rafter | Uvalue | Draped | Counter batten |
| Social & Private housing roof |
400 | 0.18 | 160mm Glass | 120mm PIR |
| 600 | 150mm Glass | 100mm PIR | ||
| Historic & Public buildings roof |
400 | 0.32 | 50mm PIR | |
| 0.60 | No additional | |||
| 600 | 0.30 | 50mm PIR | ||
| 0.59 | No additional | |||
| Barn conversion roof exposed rafters |
400 | 0.18 | 80mm PIR | 110mm PIR |
| 600 | 75mm PIR | 95mm PIR | ||
| New build & extensions roof |
400 | 0.16 | 190mm Glass | 140mm PIR |
| 600 | 170mm Glass | 120mm PIR |
||
| Contact us for bespoke solutions | ||||
