HD1013 Hush-System 2003 Plus sound insulation system for separating floors

The HD1013 Hush-System 2003 Plus is a highly effective solution for providing sound insulation for the separating floors featuring timber joists in new build and refurbishment projects.

High performance acoustic materials are combined into a fully tested complete system which is fully compliant with all UK Building Regulations - Approved Document E (England & Wales), Part G (Northern Ireland) and section 5 (Scotland).

The system comprises the following elements:

• Hush Panel 28 soundproof floor panels, all of which have T&G joints glued using Hush-Bond, are laid over 19mm plasterboard plank, and 18mm/22mm chipboard deck, with all perimeters sealed using Hush Seal 20.
• Hush Slab 100 sound insulation slabs are fitted between joists with Hush Bars screw-fixed to the underside of joists at 600mm centres.
• One layer of 12.5mm Gyproc Soundbloc plasterboard and one layer of 15mm Gyproc Fireline plasterboard secured to Hush Bars, with all perimeters sealed prior to skimming.

Acoustic Performance*

Impact (L’nT,w) - 55 dB

Airborne (DnT,w) - 55 dB

Airborne (DnT,w + Ctr) - 49 dB

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