W75+75/220; EI90; Austria; double metal stud frame, double-layer cladding and middle-layer
B+M partition wall, lining and shaft wall systems are unique in regards to flexibility of usable system components. IntraProfil® metal studs and channels are the core elements of every B+M system construction. Additionally required system components of all within the "B+M Markensiegel" mentioned brands may be used and combined accordingly to B+M installation guidelines and testings.
Specification
220 mm partition wall on a double IntraProfil ® CW75 steel structure with 2 layers of 12.5 mm fire- rated gypsum plasterboard GKF(DF)/GKFI(DFH2) on each side of the partition and 1 layer of 12.5 mm fire- rated gypsum plasterboard GKF(DF)/GKFI(DFH2) between the CW75 studs. Sound insulation with 75+75 mm glass wool Rw= 70 dB