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Description

A fully developed economical sound insulation system between separating floors for use in refurbishment projects using timber joists.

Features:

  • For use in refurbishment and conversion developments where a joisted structure is 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.

Components:

  • 18 mm thick particleboard deck - 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 Slab 100 - fitted between the joists.
  • Hush Bar Plus - screw fixed to the underside of joists at 450 mm centres.
  • 19 mm thick Gyproc plasterboard plank - supplied by others.
  • 12.5 mm thick Gyproc Soundbloc plasterboard - supplied by others.

General information
Features

For use in refurbishment and conversion developments where a joisted structure is 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

Uniclass 2015 Joist-supported wood-based rigid sheet floor systems (Ss_30_20_10_50)
Specification data
Product Reference

HD1016 Hush System HF25

Standard product features

Components:

- Hush Bond:

Panel adhesive.

- 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).

- Hush Seal 20:

  • Description: Perimeter seal.
  • Material: Compressible solid foam tube.
  • Diameter: 20 mm.

- Hush Slab 100:

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

- Hush Bar Plus:

  • Description: Metal resilient bars.
  • Size (w x l): 55 x 2400 mm.
  • Depth: 25 mm.

Acoustic performance:

  • Impact (Lntw): 55 dB.
  • Airborne (Dntw): 55 dB.
  • Airborne (Dntw +Ctr): 46 dB.

Literature