Fermacell 1HT22 Loadbearing Timber Stud Partition

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  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type

Loadbearing timber stud insulated partition system with 60 minutes fire resistance.

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Description

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

General information

Uniclass 2015

Ss_25_10_32_90 Timber wall framing systemsPrimary

CAWS

K10/15 Lining on timber

K10/205 Lining on timber

Specification data - Timber wall framing systems

Product Reference

Fermacell 1HT22 Loadbearing Timber Stud Partition

Lining fixings

40 mm Fermacell screws at 250 mm centres

44 mm + Staples at 200 mm centres

Finishing

-

Type

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.

Standard product features

Fire resistance:

60 minutes.

Timber studs:

  • 120 x 45 mm at 600 mm centres.
  • 140 x 38 mm at 600 mm centres.

Linings:

One layer of 15 mm Fermacell each side.

Insulation:

  • 120 mm wide studs: 120 mm mineral wool: 30 kg/m³.
  • 140 mm wide studs: 140 mm mineral wool: 30 kg/m³.

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.

Wall performance (based on stud type):

  • Height (maximum): 3.00 m.
  • Thickness (overall): 150 mm.
  • Airborne sound resistance (Rw): >44 dB.
  • Applied load: 120 mm Stud = 2.0 N/mm².
  • Applied load: 140 mm Stud = 10 kN/ stud.
  • 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

Fermacell Orange Book

Fermacell Orange Book

fermacell®  Timber Frame Systems

fermacell® Timber Frame Systems

Third party certifications

  • 90/2439
  • ETA
  • ECO Institute

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