Suspended ceilings of the DB-panel, otherwise called «noise barrier». Such ceilings provide a high level of acoustic insulation adjacent rooms and well protected from noise equipment operating in mezhpotolochnom space.
The special panel to create a noise barrier, together constitute a connected Flexible acoustic canvas and Drywall, a bit less on his size. They are usually installed directly over the ceiling slabs, on small plots of the ceiling or individual plates.

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