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Application

Suitable for use in refurbishment and conversion developments, where a joisted structure and a full lath and plaster ceiling are in place.


Description

The HD1006 Hush System 1 is a fully developed economical sound insulation system between separating floors.


Features and benefits:


  • For use in refurbishment and conversion developments, where a joisted structure and a full lath and plaster ceiling are in place.
  • Provides a one-hour fire resistance at ceiling level.
  • Building Regulations Approved Document E (E&W), Technical Handbook Section 5 (Scotland) and Technical Handbook G (Northern Ireland) compliant.


It is ideal for upgrading the acoustic performance of timber separating floors in historic or listed buildings where the existing lath and plaster ceiling needs to remain fully intact.


HD1006 Hush System 1 enables the upgrading of the floor/ceiling construction from the floor side only, by combining a number of Hush Acoustics' high quality sound insulation products. These include Hush-fill 60 Heavy Pugging, Hush-Slab 100 sound absorber panels and Hush-felt 25 Resilient Joist Strip. 


Tested as a complete system, HD1006 exceeds the requirements of all the UK Building Regulations covering acoustic performance - Approved Document E (England & Wales), Section 5 (Scotland) and Part G (Northern Ireland). It also provides a 1 hour fire resistance at ceiling level.


Whilst this system is ideal for many refurbishment and conversion projects, it can also be used in new build applications created using timber separating floors to achieve excellent acoustic performance.


How HD1006 Hush System 1 is formed:


  • Hush-Felt 25 Resilient Strips are stapled to joist tops, with 18mm tongue and groove flooring grade chipboard glued above using Hush-Bond, and all perimeters sealed using Hush-Seal 20.
  • Hush-Mesh Firewire is dressed down the sides of the joists and across the back of the ceiling in the form of trays.
  • Hush-Slab 100 absorber slabs are fitted between the joists resting on the firewire tray.
  • Hush-Fill 60 is laid on a 9mm plywood shelf between the joists.


Acoustic Performance*


Impact (LnTw) - 48 dB

Airborne (DnTw) - 64 dB

Airborne (DnTW+Ctr) - 53 dB


* Results based on the full HD1006 Hush System 1 system being used in conjunction with existing 200mm joists and a full lath and plaster ceiling.


Components:


  • 18 mm thick tongued and grooved flooring grade particleboard – supplied by others.
  • Hush Bond – to glue joints.
  • Hush Felt 25 – stapled to joist tops.
  • Hush Seal 20 – to seal perimeters.
  • Existing timber joists.
  • Hush Mesh Firewire – dressed down the sides of the joists and across the back of the ceiling in the form of trays.
  • Hush Slab 100 – fitted between the joists, resting on the firewire tray.
  • 9 mm thick plywood shelf on noggins/ dwangs – supplied by others.
  • Hush Fill 60 – resting on shelf.
  • Existing lath and plaster ceiling.

General information

Color

Brown

Grey

White

Finish

Unfinished

Material

Particleboard

Mineral wool

Steel

Foam

Felt

Shape

Rectangle

Size

Can be sized to suit the project requirements.

-

Length

1200 mm

Width

600 mm

Height

100 mm

Uniclass

Ss_30_20_10_50 Joist-supported wood-based rigid sheet floor systemsPrimary

CAWS

K11/275 Acoustic separating floor system

Product range

Timber Floor and Ceiling Systems

Specification data - Joist-supported wood-based rigid sheet floor systems

Additional supports

Hush Mesh Firewire.

  • Description: Supporting mesh.
  • Material: Galvanized steel.
  • Size (w x l): 1.2 x 50 m.

Fasteners

Hush Bond.

Panel adhesive.

Joint treatment

Hush Felt 25.

  • Description: Resilient joist strip.
  • Material: 140 x 50 mm hardboard slats fixed to a double layer of 10 mm thick Hushfelt™ resilient layer.
  • Size (d x w): 25 x 50 mm.
  • Thickness: 25 mm (20–21 mm in use).

Perimeter seals

Hush Seal 20.

  • Material: Compressible solid foam tube.
  • Diameter: 20 mm.

Insulation/ Pugging

Hush Fill 60.

  • Description: Heavy pugging.
  • Material: Dry mineral fill, packed in sealed polythene tubes.
  • Size (L x diameter): 1100 x 150 mm.
  • Thickness: 60 mm.

Sound insulation

Hush Slab 100.

  • Description: Sound absorber.
  • Material: Mineral wool.
  • Size (w x L): 600 x 1200 mm.
  • Thickness: 100 mm.

Acoustic performance

Impact (Lntw): 48 dB.

Airborne (Dntw): 64 dB.

Airborne (Dntw +Ctr): 53 dB.

Literature

HUSH System 1 HD1006

HUSH System 1 HD1006

Hush Acoustics Products and Systems Brochure

Hush Acoustics Products and Systems Brochure

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