SW11 internal partition walls improve the performance of existing walls, in terms of thermal and acoustic insulation, in contexts such as houses, hotels, etc...
SW12 internal walls can easily reach the normal requirements of separation between the rooms, with excellent sound insulation, in contexts such as houses, hotels, etc...
SW23 internal walls can easily reach the normal requirements of separation between the rooms, especially between apartments, with excellent sound insulation, in contexts such as houses, hotels, etc....