Internal wall type D: Aircrete block wall with plaster or plasterboard finish

Aircrete block wall, plaster or plasterboard finish on both sides (see Diagram 5.4) – for plaster finish, minimum mass per unit area, including finish 90 kg/m2; for plasterboard finish, minimum mass per unit area, including finish 75 kg/m2; all joints well sealed; internal wall type D should only be used with the separating walls described in this Technical Booklet where there is no minimum mass requirement on the internal masonry walls (see guidance in Section 2); internal wall type D should not be used as a loadbearing wall connected to a separating floor, or be rigidly connected to the separating floors described in this Technical Booklet (see guidance in Section 3).