Hush System HF25 Advanced: HD1017
An economical sound insulation system
Hush-Felt 25 has been designed as a joist treatment offering an economical alternative to composite floating flooring without compromising on performance. The integral hardboard slats present a firm, smooth surface to support a choice of chipboard, OSB, or plywood T&G flooring boards.
Benefits
- UK Building Regulations Approved Document E New Build compliant
- A fully developed economical sound insulation system between separating floors for use in newbuild or refurbishment using timber joists
- Provides a 1 hour fire resistance at ceiling level
Acoustic Performance:
- Impact L'nT,w dB - 50 dB
- Airborne DnT,w dB - 58 dB
- Airborne DnT,w dB - 52 dB
Specification:
- Hush-Felt 25 Resilient Strip stapled to the joist tops, with 18mm tongued and grooved flooring grade chipboard glued above using Hush-Bond
- 19mm plasterboard plank overlaid with a further lay of 18mm tongued and grooved flooring grade chipboard above, with all perimeters selaed using Hush-Seal 20
- Hush-Slab 100 fitted between joists with Hush-Bar Plus System screw fixed to the underside of joists at 450mm centres
- One layer of 19mm plasterboard plank and one layer of 12.5mm Gyproc Soundbloc plasterboard secured to Hush-Bar System. Seal all perimeters prior to skimming
Downloads
Technical Specifications
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PDF
HD1017 Data Sheet
233.34 KB
Installation Guides
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PDF
HD1017 Installation Guide
92.14 KB