7. Install loose-fill or blanket insulation on top of the ceiling

  • Tiled Roof Conventional Truss Fibrous Bulk Insulation between Tie beams

     

Description R-Value Zones 1-7 R-Value Zone 5H
Total R-Value of Tile, concrete or clay Roof & Ceiling Materials ±0.35 ±0.35
Minimum added R-Value of Insulation 3.35 2.35
Total R-Value m².K/W 3.70 2.70

  • Tiled Roof Conventional Truss Cellulose-loose fill  Bulk Insulation between Tie beams

Description R-Value Zones 1-7 R-Value Zone 5H
Total R-Value of Tile, concrete or clay Roof & Ceiling Materials ±0.35 ±0.35
Minimum added R-Value of Insulation 3.35 2.35
Total R-Value m².K/W 3.70 2.70