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Insulated metal stud partition system based on Fermacell Gypsum-Fibreboard linings.

General information
Uniclass 2015
Ss_25_10_30_35 Gypsum board partition systemsPrimary

K10/125 Metal stud partition system

K10/30 Metal stud

Specification data - Gypsum board partition systems
Product Reference

Fermacell 1S24 Insulated Partition

Finishing -

Fermacell Fine Surface Treatment (FST)

Joint treatment

Fermacell Jointstik 1 mm glued joint

Square edged boards.

Fermacell Joint Filler 5–7 mm filled joint

For site cut boards.

Fermacell Joint Reinforcement Tape and Fermacell Joint Filler

Taper edge boards.

Standard product features

Fire resistance:

60 minutes.

Metal studs:

50 mm Fermacell DIN Standard Steel (50 mm fixing face, 0.6 mm gauge).

- Centres:

600 mm.


One layer 10 mm Fermacell and one layer 12.5 mm Fermacell each side.

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

- Fixings:

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

Insulation (minimum density):

40 mm mineral wool: 20 kg/m³.

Partition performance (based on stud type):

  • Height (maximum): 2.75 m.
  • Thickness (overall): 95 mm.
  • Airborne sound resistance (Rw): 59 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.

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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