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Adjustable metal stud wall lining system based on Fermacell Gypsum Fibreboard.

General information
Uniclass 2015
Ss_25_25_45_35 Gypsum board wall lining systemsPrimary

K10/15 Lining on timber

K10/205 Lining on timber

Specification data - Gypsum board wall lining systems
Product Reference

Fermacell 3WS02 Adjustable Wall Lining on Steel Subframe


Head & Foot Track - 20 mm x 20 mm

Wall Channel - 50 mm x 18 mm x 0.6 gauge

75 mm x 1 mm Adjustable Wall Bracket

125 mm x 1 mm Adjustable Wall Bracket




Not required

Fermacell Fine Surface Treatment (FST)

Joint treatment

Fermacell Jointstik 1 mm glued joint

Square edged boards.

Fermacell Joint Filler 5–7 mm filled joint

Site cut boards.

Fermacell Joint Reinforcement Tape and Fermacell Joint Filler

Taper edge boards. N.B When using Tapered Edge Boards, first layer must be a Square Edge Board, for double layer systems.

Standard product features

Fire resistance:

30 minutes.

Framing centres (Dependant on Application):

400 mm.

600 mm.

Bracket centres (Dependant on Application):

600 mm.

800 mm.


Two layers of 12.5 mm Fermacell Gypsum-Fibreboard.

- Fixings:

30 mm Fermacell screws at 400 mm centres and 40 mm Fermacell screws at 250 mm centres.

Partition performance (based on stud type and insulation density/ thickness):

  • Height (maximum): Refer to Manufacturer for details.
  • Sound insulation (flanking transmission Rw): 62 dB.

Recycled content:

Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable.

Other requirements:

Fire stopping around service penetrations. Frame out openings with the same number of layers of board as per above specification. Sockets backed using baffle boxes, intumescent putty pads or suitable rock mineral wool, sufficient to maintain the fire/acoustic performance.

Movement joints are required at maximum 8 linear metre intervals.

Refer to manufacturer's literature. Vapour barrier as required for high humidity areas.

For tiled areas reduce studs to 400 mm centres as required. Tile adhesive to be suitable for gypsum based substrate.

Provide door reinforcement as required to suit door weights and opening size. Ensure no vertical joints at door jambs.

Offset all board joints by minimum 200 mm.

Product Options


  • 75 mm x 1 mm Adjustable Wall Bracket.
  • 125 mm x 1 mm Adjustable Wall Bracket.

Insulation (minimum density):

Mineral wool (all thicknesses): 20 kg/m³.

Optional for acoustic purposes.

Environmental information
Recycled content

Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable

Third party certifications
  • 90/2439
  • ETA
  • ECO Institute
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