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Sealant and adhesive specifically formulated for fire rated and acoustic sealing and bonding within the Hush acoustic systems. It is used to seal room perimeters, surface penetrations or wherever there is a need for an acoustic seal to be made.


  • Versatile and economic.
  • Designed to improve acoustic performance with the Hush acoustic systems by sealing air leakage points.
  • Fire rated to BS 476-20 - provides up to five hours fire resistance.
  • Acoustically tested to BS EN ISO 140-3.
  • Tested for air permeability to BS EN 13141-1.

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NBS Specification

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This product is associated with the following NBS Create clause:
45-55-75/345 Silicone construction joint sealants

Product specification

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Hush Acoustics


+44 (0)151 933 2026

Product reference

Hush Acoustic and Intumescent Sealant

Manufacturer details

44 Canal Street,
Merseyside, L20 8QU
Tel +44 (0)151 933 2026
Fax +44 (0)151 944 1146
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