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Knauf MF Ceiling Typical Application

Verified by manufacturer 1 year ago

Knauf UK

Metal furring (MF) suspended ceiling system.

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+44 (0)1795 424499 www.knauf.co.uk

Application

MF suspended ceiling for commercial and residential projects.

Description

Knauf metal furring (MF) suspended ceiling system .


Features and benefits:

  • Versatile and easy to install.
  • Deep voids are easily created to hide surfaces.
  • This familiar system allows contractors to easily form openings, bulkheads and coffers. 

General information

Finish

Seamless

Primed

Material

Gypsum

Limestone

Quartz

MMMF

Shape

Rectangle

Uniclass

Ss_30_25_10_35 Gypsum board suspended ceiling systemsPrimary

CAWS

K10/50 Suspended ceiling system on metal framing

K10/220 Proprietary suspended ceiling system

Specification data - Gypsum board suspended ceiling systems

System performance

Gypsum board ceiling systems design requirements.

Suspension grid

Knauf 25 x 25 mm angle section at 1200 mm centres Knauf soffit cleats or acoustic hangers as required. 


Insert requirements; contact manufacturer for more information.

-

Barriers in ceiling void

-

Plenum barriers

Manufacturer's standard.

One layer of 12.5 mm Knauf wallboard.

Knauf moisture panel.

For high humidity areas.

Knauf Performance Plus.

For specifications of Knauf Soundshield Plus or Knauf fire panel.

Linings

-

Fasteners

Knauf drywall screws.

Fixed at maximum 230 mm centres, reduce to 150 mm centres at perimeter.

Knauf Performance Plus screws.

To be used with Knauf Soundshield Plus/ Performance Plus.

Joint treatment

Paper jointing tapes.

Finish

  • Taped and jointed for a seamless finish using Knauf jointing products.
  • One coat of Knauf Wallboard Primer applied immediately after taping and jointing
  • Use Knauf Paper Tape only for the installation of ceilings. 
  • Or option to use Knauf RMF (Ready Mixed Finishing).
  • Insert requirements; contact manufacturer for more information.

Samples required

Not required.

Required.

Insert requirements; contact manufacturer for more information.

Head condition

Structural soffit.

Centres

Manufacturer's standard.

Knauf MF Primary Support Channels to be located at 1200 mm centres.

Knauf MF Ceiling Channels to be located at 450 mm or 400 mm centres.

Connecting clips

Manufacturer's standard.

Knauf MF connecting clips to be fixed at intersection between Knauf MF primary support channel and Knauf MF ceiling channels.

Secondary Fixing

Manufacturer's standard.

Secondary fix Knauf MF Ceiling Channels to Knauf MF Primary Support Channels using Knauf Waferhead Screws for areas that will experience potential ceiling flex caused by room airtightness.

Fixing substrate

Fixings are used to meet performance constraint and should be agreed with the site team

(Confirmation is required from supplier to meets ceiling specification and any additional loading).


Insert requirements; contact manufacturer for more information.

Horizontal board joints

To be picked up Knauf MF ceiling channels.

Perimeter Sealing

Knauf Sealant can be used as a perimeter seal for non-fire rated junctions/ perimeters to achieve an acoustic seal only.


Insert requirements; contact manufacturer for more information.

Loading

Self-weight: The MF system has been designed based on 'self-weight' only basis, confirmation of any additional loadings would be required to ensure system performance.

Finishing plaster

Skim plastering: Knauf Betokontakt must be used in conjunction with Knauf Moisture Panel and Knauf Performance Plus, when skim coat plaster is being used.

Literature

Wallboard - PDS

Wallboard - 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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