| • |
Number of joists to install cut by over two thirds |
| • |
No bolts and washer fixings |
| • |
Number of hangers required cut by 75% |
| • |
JJI joists are available in lengths up to 15 metres |
| • |
No extra insulation between joists |
| • |
Longer spans for more design flexibility |
| • |
Lightweight and easy to handle |
| • |
Installing services through the property is easier |
