One-storey building panel: from inside – outside: Plasterboard sheet – 10 mm, OSB – 12mm, Steam-proof foil, Mineral wool – 80 mm, OSB – 12 mm, Gypsum-cardboard sheet – 10 mm. Panel is ribbed by softwood / pine-wood or spruce-wood at intervals of 60 cm in horizontal and vertical direction. Panel thickness – 126 mm.

Two-storey building panel: from inside to outside: Plasterboard sheet – 10 mm, OSB – 12mm, Steam-proof foil, Mineral wool – 120 mm, OSB – 15 mm, Gypsum-cardboard sheet – 10 mm. Panel is ribbed by softwood / pine-wood or spruce-wood at intervals of 60 cm in horizontal and vertical direction. Panel thickness – 170 mm.