Ballproof mineral wool blanket with acoustic effects (room acoustics)

摘要

The suspended ceiling has a bridge, a head and horizontal stretcher flanges with profile rails. A metal sheet is arranged at a rear side on top of a mineral wool plate (12) at an edge. The metal sheet covers the entire surface of the mineral wool plate. A cross-sectional v-shaped spacer (19) is provided, and the metal sheet is punched.