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NBS Source

HD1047 Hush System Underscreed B/B

Hush Acoustics

Fully tested sound insulation system for separating floors constructed using beam and block with a screed finish

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Application

Fully tested sound insulation system suitable for use in refurbishment, conversion and new build developments where a beam and block structure is in place.

Description

A fully developed economical sound insulation system between separating floors.


Features and benefits:

  • For use in refurbishment, conversion and new build developments where a beam and block structure is in place.
  • Building Regulations Approved Document E (E&W), Technical Handbook Section 5 (Scotland) and Technical Handbook G (Northern Ireland) compliant.
  • Achieves a one-hour fire resistance.


Components:

  • 65 mm thick sand/ cement screed – supplied by others.
  • Under Screed Acoustic Membrane.
  • Hush RD – to isolate the perimeters of the screed.
  • Beam and block concrete structure – supplied by others.
  • Hush MF Ceiling System – installed to the underside of the structure.
  • Hush Slab 100 – fitted tightly together within the ceiling void.
  • Two layers of 12.5 mm thick Gyproc Soundbloc plasterboard – supplied by others.


Acoustic Performance *

Impact (L’nT,w) - 48 dB

Airborne (DnT,w) - 51 dB

Airborne (DnT,w + Ctr) - 49 dB


* Results based on the full Hush System HD1047 being using and installed as listed above. All flanking paths must be treated correctly.


Product benefits


·     Complies with UK Building Regulations, including Approved Document E Similarly

Versatile - the Hush Over Screed Membrane which has been designed to isolate a screed from the structure

General information

Color

Brown

Grey

White

Material

Timber

Rubber

Foam

Mineral wool

Metal

Shape

Rectangle

Length

1200 mm

Width

600 mm

Height

100 mm

Uniclass

Ss_30_25_10_35 Gypsum board suspended ceiling systemsPrimary

CAWS

K11/275 Acoustic separating floor system

Product range

Concrete Floor and Ceiling Systems

Specification data - Gypsum board suspended ceiling systems

Suspension grid

Hush MF Ceiling System.

Metal grid system with acoustic hangers.

Barriers in ceiling void

-

Acoustic barriers

Hush Slab 100.

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

Linings

-

Inner layers

Under Screed Acoustic Membrane.

  • Material: Rubber.
  • Width: 1 m.
  • Thickness: 8 mm.

Joint treatment

Hush RD.

  • Description: Flanking strip.
  • Material: Foam isolation strip.
  • Thickness: 6 mm.

Acoustic performance

Impact (Lntw): 48 dB.

Airborne (Dntw): 51 dB.

Airborne (Dntw +Ctr): 49 dB.

Literature

Hush Acoustics Products and Systems Brochure

Hush Acoustics Products and Systems Brochure

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