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NBS Source


An acoustic treatment for suspended ceilings where there is poor sound insulation. Simply installed onto the back of suspended ceiling tiles, Soundblockers provide a rapid and effective means of improving sound insulation, reducing 'crosstalk' from adjacent spaces.

Features/ Benefits:

  • Reduces crosstalk from adjacent rooms.
  • Reduces noise from services in the ceiling void.
  • Extremely easy to install.
  • Accessories to treat light fittings and air grilles are available.
  • Fire rating: BS 476-6 Class O, BS 476-7 Class 1.

General information


Pr_35_93_13_80 Sound attenuator infill unitsPrimary


K40/285 Insulation

K40/55 Insulation

Specification data - Sound attenuator infill units

Product Reference


Size (l x w)

800 x 600 mm

1200 x 600 mm


16 mm

19 mm

25 mm

75 mm



Self-adhesive modular side strips

Soundblocker air diffuser acoustic hood

Soundblocker downlighter hood

Soundblocker perimeter strips

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