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NBS Source


An innovative acoustic quilt which can be used in a wide range of applications. The product consists of an acoustic barrier membrane sandwiched between two layers of 25 mm thick mineral wool for maximum effectiveness. It is extremely versatile and can be placed between floor joists to reduce sound transmission.

Features/ Benefits:

  • High performance acoustic quilt.
  • Superior acoustic performance for minimal thickness.
  • Can be used where access is only available from one side.
  • Membrane helps to resist slumping of quilt.
  • Ideal for weaving between joists of independent ceiling system.

General information


Pr_35_93_13_80 Sound attenuator infill unitsPrimary


K10/125 Metal stud partition system

K10/145 Wall lining system (metal studs)

K10/155 Wall lining system (metal studs)

K10/165 Wall lining system (metal framing)

K10/205 Lining on timber

K10/30 Metal stud

K10/35 Wall lining system (metal framing)

K11/275 Acoustic separating floor system

K20/150 Battened timber board floating floor

K20/20 Battened timber board floating floor

P10/180 Insulation to water cisterns

P10/220 Sound insulation within timber framed separating wall

P10/40 Insulation fitted betweenor to the face ofstuds

Specification data - Sound attenuator infill units

Product Reference

Karma Acoustic Blanket


400 mm

600 mm

1200 mm

Standard product features


5000 mm.


52 mm.

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