Hush Acoustics HD1012 System 2003 for floors and ceilings

by Hush Acoustics

The Hush Acoustics HD1012 System 2003 is a fully tested and economical sound insulation system for separating floors in refurbishment projects where the construction uses timber joists.

The system utilises Hush Acoustics' high quality sound insulation materials to provide an effective treatment for reducing airborne and impact sound transmission. It works by creating a floating floor through the installation of Hush-Panel 28 acoustic boards, in conjunction with joist strips, seals, absorbers and Hush-Bar resilient bars.

As a fully tested complete system, HD1012 offers complete assurance that it will deliver the acoustic upgrade sought in refurbishment projects and it is compliant with all the relevant UK Building Regulations - Approved Document E (England & Wales), Section 5 (Scotland) and Part G (Northern Ireland). It also provides a 1 hour fire resistance at ceiling level.

The Hush Acoustic HD1012 System 2003 is formed as follows:

  • Hush-Panel 28, with all T&G joints glued using Hush-Bond, is laid over Hush-10 Joist Strips, secured to joist tops as per manufacturer’s instructions, and all perimeters are sealed using Hush-Seal 20.
  • Hush-Slab 100 sound absorber is fitted between joists with Hush-Bars screw fixed to the underside of joists at 600mm centres and at right angles to the joists.
  • One layer of 12.5mm Gyproc Soundbloc plasterboard and one layer of 15mm Gyproc Fireline plasterboard is secured to Hush-Bars and all perimeters are sealed prior to skimming.


Acoustic Performance*

Impact (LnTw) - 56 dB

Airborne (DnTw) - 54 dB

Airborne (DnTW+Ctr) - 45 dB

* Results based on 200mm timber joists at 450mm centres.

Specification Details for Hush Acoustics HD1012 System 2003 for floors and ceilings (Acoustic Insulation Systems)

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Hush Acoustics is consulted before specifying.

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