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Description

Twin timber insulated stud partition system based on Fermacell Gypsum-Fibreboard linings.

General information
Uniclass 2015
Ss_25_10_30_35 Gypsum board partition systemsPrimary
CAWS

K10/15 Lining on timber

K10/205 Lining on timber

Specification data - Gypsum board partition systems
Product Reference

Fermacell 1H35 Timber Stud Partition

Timber studs

Twin 75 x 50 mm with 10 mm gap between

Twin 89 x 38 mm with 10 mm gap between

Insulation

50 mm

Linings -
Type

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

Fixings

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

35 mm + Staples at 400 mm centres and 50 mm + Staples at 200 mm centres

Finishing

Not required

Fermacell Fine Surface Treatment (FST)

Joint treatment

Fermacell Jointstik 1 mm glued joint

Fermacell Jointstik 1 mm glued joint - Square

Fermacell Joint Filler 5–7 mm filled joint

For 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

Stud centres:

  • 2 x 10 mm Fermacell lining: 500 mm.
  • 12.5 mm + 10 mm Fermacell lining: 600 mm.

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

Fire resistance:

  • 90 minutes: 12.5 mm + 10 mm Fermacell lining.

Insulation (minimum density):

  • 50 mm mineral wool: 50 kg/m³.

Partition performance:

- Twin 75 x 50 mm studs, 12.5 mm + 10 mm Fermacell:

  • Height (maximum): 4.10 m.
  • Thickness (overall): 205 mm.
  • Airborne sound resistance (Rw): 66 dB.

- Twin 89 x 38 mm studs, 12.5 mm + 10 mm Fermacell:

  • Height (maximum): 4.10 m.
  • Thickness (overall): 233 mm.
  • Airborne sound resistance (Rw): 66 dB.
  • 5–7 mm filler joint option is not suitable for use on this size of stud.

Environmental information
Recycled content

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

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