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HD1006 : Hush-System 1
Suitable for:
- domestic
- residential
- education
- leisure
The Hush System 1 is a proven separating floor solution for timber joist constructions, delivering excellent airborne and impact sound insulation. It combines resilient strips, acoustic infill, and dense chipboard flooring with integrated fire protection to meet the requirements of Part E of the Building Regulations. This system is widely specified in new build and refurbishment projects where timber floors require robust acoustic treatment and fire resistance.
System Components
- Hush-Felt 25 Resilient Strip stapled to joist tops.
- 18mm tongued and grooved flooring grade chipboard glued with Hush-Bond.
- Hush-Seal 20 Acoustic Sealant for perimeter sealing.
- Hush-Mesh Firewire trays dressed down the joist sides and across ceiling backs.
- Hush-Slab 100 Sound Absorber fitted between joists and supported on Firewire trays.
- Hush-Fill 60 installed on a 9mm plywood shelf between the joists.
Installation Guidance
- Staple Hush-Felt 25 Resilient Strips to the tops of all joists.
- Lay 18mm tongued and grooved flooring grade chipboard over joists, gluing all joints with Hush-Bond Adhesive.
- Seal all perimeters using Hush-Seal 20 Acoustic Sealant.
- Dress Hush-Mesh Firewire down the sides of the joists and across the back of the ceiling to form trays.
- Fit Hush-Slab 100 tightly between joists, resting on the Firewire trays with no air gaps.
- Install Hush-Fill 60 acoustic infill onto a 9mm plywood shelf fitted between the joists.
- Residential houses and apartments with timber separating floors.
- Student accommodation and hotels requiring compliant acoustic treatment.
- Commercial and mixed-use buildings with timber floors.
- Refurbishment projects upgrading existing timber joist constructions.
- Fully Part E compliant – tested for airborne and impact sound insulation.
- Integrates both acoustic and fire protection in one system.
- Uses Hush-Felt 25 resilient strips to isolate the structural floor deck.
- Includes Hush-Slab 100 and Hush-Fill 60 for enhanced acoustic performance.
- Suitable for new build and refurbishment timber joist projects.
Test Data
Test data for field tests in compliance with Building Regulations Approved Document E can be supplied upon request.
For advice on the use of HD1006 : Hush-System 1, as part of a system within any project, please contact our experienced technical team on 0151 933 2026 who will be happy to give comprehensive and practical advice to meet with your requirements.
Acoustic Performance - Typical Results*
Impact  dB |
Airborne  dB |
 dB |
| 48 | 64 | 53 |
Test Data
Test data for field tests in compliance with Building Regulations Approved Document E can be supplied upon request.
Full fitting instructions are supplied with all products and are available to download from the Installation Guides section.
Should you have any technical questions prior to or during installation, please call 0151 933 2026 for friendly and straightforward advice.
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