Building elements
Roof 1
1
Timber Batten - 60/40
2
Timber Batten/Ventilation Space - 80/50
3
Vapour permeable membrane - 0.6mm
4
Oriented Strand Board - 15mm
5
Rafter - 60/240 (200)mm
6
Mineral Stone Wool- 240 (200)mm
7
Vapour Barrier - 0.2mm
8
Spaced Timber Board - 80/22
9
Gypsum Fireboard - 12.5mm