Building elements
Roof 8
1
Timber Batten - 60/40mm
2
Timber Batten / Ventilation Space - 60/50mm
3
Vapour Permeable Membrane - 0.6mm
4
Rafter - 60/240 mm
5
Wood Fibre Insulation - 240mm
6
Vapour Barrier - 0.2mm
7
Spaced Timber Board - 80/22mm
8
Gypsum Fireboard - 12.5mm