BBA Agrément Certificate
Load bearing timber stud insulated partition system with 30 minutes fire resistance.
Load bearing timber stud insulated partition system based on Fermacell Gypsum-Fibreboard linings.
K10/15 Lining on timber
K10/205 Lining on timber
Fermacell 1HT11 Load Bearing Timber Stud Partition
75 x 50 mm
89 x 38 mm
30 mm Fermacell screws at 250 mm centres
35 mm + Staples at 200 mm centres
89 x 38 mm stud.
Fermacell Fine Surface Treatment (FST)
Fermacell Jointstik 1 mm glued joint
Square edged boards.
Fermacell Joint Filler 5–7 mm filled joint
For site cut boards.
Standard product features
One layer 12.5 mm Fermacell each side.
Insulation (minimum density):
Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable.
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.
Partition performance (based on stud type and insulation density/ thickness):
- 75 x 50 mm stud, 40 mm mineral wool (30 kg/m³ density):
- 89 x 38 mm stud, 90 mm mineral wool (10 kg/m³ density):
Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable %