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Knauf I Stud Lining 50 I Stud 15kg/m2 Density - Boxing Out

Knauf UK

Fully independent wall lining system for acoustic, fire and thermal performance.

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Application

For commercial and residential projects. Suitable for all building types.

Description

Knauf Independent ‘I’ Stud is a fully independent wall lining system.


Features and benefits:

  • Can be used in all building types to upgrade the acoustic, fire and thermal performance of an existing masonry wall and to deal with any irregularities.
  • Due to the system using an Knauf 'I' Stud, there is no requirement for the lining system to be fixed back into the structure behind. 

General information

Color

Ivory

Finish

Seamless

Primed

Taped

Jointed

Material

Gypsum

Shape

Rectangle

Size

77 x 2900 mm

Uniclass

Ss_25_25_45_35 Gypsum board wall lining systemsPrimary

CAWS

K10/30 Metal stud

K10/155 Wall lining system (metal studs)

Specification data - Gypsum board wall lining systems

System performance

Structural performance of wall lining system.

Linings

-

Inner layers

Two layers of 12.5 mm Knauf Wallboard to one side.

Fasteners

Knauf Nailable plugs and drywall screws.

Finish

Manufacturer's standard.

  • Taped and jointed for a seamless finish using Knauf jointing products as per clause 471.
  • One coat of Knauf Wallboard Primer applied immediately after taping and jointing.

Samples required

Not required.

Required.

Insert requirements; contact manufacturer for more information.

Stud

50 mm Knauf 'I' stud, 0.55 mm gauge.

Centres

600 mm.

Floor channel

52 mm Knauf ‘U’ channel.

Horizontal board joints

Knauf flat fixing plate.

Perimeter Sealing

Manufacturer's standard.

  • For fire rated systems, two continuous 6 mm 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.

Head condition

Structural soffit.

Deflection allowance

As per site specific requirements.

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

Head track fillets

Manufacturer's standard.

See Knauf Standard Details or contact the manufacturer for more information.

Head insulation detail

Manufacturer's standard.

See Knauf Standard Details or contact the manufacturer for more information.

Height

(Maximum):

2900 mm.

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 with the manufacturer.

Duty

Severe.

Width

77 mm.

Literature

Wallboard - PDS

Wallboard - PDS

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

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

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