Building elements
Floor 4-4
1
Oriented Strand Board - 22mm
2
Mineral Stone Wool - 240mm
3
Solid/Glue Laminated Joist - 80/240
4
Vapour Barrier - 0.2mm
5
Spaced Timber Board - 80/22mm
6
Gypsum Fireboard - 12.5mm
7
Gypsum Fireboard - 12.5mm