| Roof type | Building | Structural location | Roof tile size | Roof pitch |
Option 1: two alternatives, from two different suppliers | Timber truss pitched roof | Residential | Treated timber trussed roof with anti-con underlay, batts insulation, & concrete interlocking tiles | 418 mm × 260 mm | 18 - 20 degrees |
Option 2: two alternatives, from two different suppliers | Timber truss pitched roof | Residential | Treated timber trussed roof with anti-con underlay, batts insulation, & clay terracotta tiles | 418 mm × 260 mm | 18 - 20 degrees |
Option 3: two alternatives, from two different suppliers | Timber truss pitched roof | Residential | Structurally insulated roofing panels with anti-con underlay & designer ceramic tiles | 418 mm × 260 mm | 18 - 20 degrees |