NBS Source
Knauf Performer with Resilient Bar One side

Application

Suitable for residential and commercial building applications where sound reduction is of particular importance.

Description

Knauf Performer with Knauf Resilient Bar


Features and benefits:

  • The Knauf Resilient Bar can be added to both or one side of certain Performer systems.
  • This additional component improves the acoustic sound reduction performance of the system in order to meet higher acoustic requirements. 

General information

Color

Blue

Finish

Seamless

Taped

Jointed

Primed

Material

Gypsum

Shape

Rectangle

Size

148 x 4200 mm

Uniclass

Ss_25_10_30_35 Gypsum board partition systemsPrimary

CAWS

K10/30 Metal stud

K10/125 Metal stud partition system

Specification data - Gypsum board partition systems Enhanced data

System performance

To BS EN 520 Types A, D, F and I (CE mark).

Framing

Framing Stud Configuration: 70 mm Knauf 'C' stud, 0.55 gauge.

Framing Centres: 600 mm.

Framing Head/ Floor Channel: 72 mm Knauf ‘U’ Channel.

Framing Fixing: Knauf Nailable plugs.

Insulation

50 mm insulation acoustic roll.

Fire separation

-

Cavity fire barriers

Fire-resistant gypsum plasterboards.

Fire-stopping

120 minutes.

Linings

-

Inner layers

Two layers of 15 mm Knauf Soundshield Plus to both sides.

Fasteners

Knauf Performance Plus screws.

Joint treatment

Manufacturer’s standard.

Taped and jointed for a seamless finish using Knauf jointing products. 

Finish

Manufacturer’s standard.

  • One coat of Knauf Wallboard Primer applied immediately after taping and jointing.
  • Systems with a requirement for fire and/ or sound insulation performances should be installed with all outer joints taped and filled in accordance with Knauf recommendations. 


Samples required

Not required.

Required.

Insert requirements; contact manufacturer for more information. 

Horizontal board joints

Flat fixing plate.

Perimeter Sealing

Manufacturer’s standard.

  • For fire rated systems, two continuous 6mm beads of Knauf Intumescent and Acoustic Mastic should be installed underneath the floor track, between the head track and board fillet(s) and between the board fillet(s) and the soffit.
  • A bead of Knauf Intumescent and Acoustic Mastic is also required to the board perimeter edges to achieve a fire and acoustic rated seal to the structure. 
  • Knauf Sealant can be used as a perimeter seal for non-fire rated junctions/ perimeters to achieve an acoustic seal only.


Deflection allowance

Structural soffit.

Head track fillets

As per site specific requirements.

Insert requirements; see Knauf Standard Details or contact the manufacturer for more information.

Head insulation detail

Manufacturer’s standard.

See Knauf Standard Details or contact manufacturer for more information.

Height

(maximum):

4200 mm.

FireRating

120 minutes.

Maximum heights and fire resistance:

  • Maximum heights – calculated based on a limiting deflection of L/240 at 200 Pascals (0.2 kN/m²).
  • The maximum heights related above is for fire resistance of system to meet project requirements of BS 476: Part 22: 1987 only.
  • For maximum heights in relation to meeting project requirements of BS EN 1364-1:2015, please consult Technical Services.
  • For systems requiring 60, 90 or 120 minutes, consideration should be given to the deflection head detail - see Knauf standard details for more information.

AcousticRating

62 dB.

Acoustic sound reduction dB (Rw):

  • Systems tested or assessed in accordance with BS EN ISO 10140-1:2010+A2:2014.
  • Acoustic sound reduction based on ‘C’ Stud centres at 600 mm centres.
  • The acoustic sound reduction rating for Knauf Wallboard in this column can also support Knauf Fire Panel and Knauf Moisture Panel.

Duty

Severe.

Width

148 mm.

Literature

Soundshield Plus - PDS

Soundshield Plus - PDS

The Knauf Manual

The Knauf Manual

The Manual Addendum April 2021 (Revised 24th November 2021)

The Manual Addendum April 2021 (Revised 24th November 2021)

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