Loadbearing timber stud partition system with 30–60 minutes fire resistance.
Loadbearing timber stud partition system based on Fermacell Gypsum-Fibreboard linings.
Fermacell 1HT23 Loadbearing Timber Stud Partition
89 x 38 mm single
89 x 38 mm twin
30 mm Fermacell screws at 250 mm centres on single boarded side and 30 mm Fermacell screws at 400 mm centres and 40 mm Fermacell screws at 250 mm centres on double boarded side
35 mm + Staples at 200 mm centres on single boarded side and 35 mm + Staples at 400 mm centres and 50 mm + Staples at 200 mm centres on double boarded side
Fermacell Fine Surface Treatment (FST)
Fermacell Jointstik 1 mm glued joint
Square edged boards.
Fermacell Joint Filler 5–7 mm filled joint
Site cut boards.
|Standard product features|
30–60 minutes dependent on fire side.
Two layers of 12.5 mm Fermacell one side of the partition and one layer 12.5 mm Fermacell to the other side (alternative cavity side board 9 mm Sheathing Board).
90 mm mineral wool: 10 kg/m³.
Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable.
Fire stopping around service penetrations: 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.
Partition performance (based on stud type and insulation density/ thickness):
- Single Stud Solution:
- Twin Stud Solution:
Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable
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