BBA Agrément Certificate
Independent lining system with 60 minutes fire resistance.
Independent, metal stud lining system based on Fermacell Gypsum-Fibreboard linings.
Fermacell 3S21 Independent Lining
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.
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|
Cavity between wall and studs (minimum):
Two layers of 12.5 mm Fermacell Gypsum-Fibreboard.
- Lining fixings:
30 mm Fermacell screws at 400 mm centres and 40 mm Fermacell screws at 250 mm centres.
Insulation (minimum density):
50 mm mineral wool: 38 kg/m³.
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):
- 50 mm stud:
- 75 mm stud:
- 100 mm stud:
Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable
Fermacell 1S11 H20 Insulated Partition
Fermacell 1S11 Insulated Partition
Fermacell 1S12 H20 Insulated Partition
Fermacell 1S13 H20 Insulated Partition
Fermacell 1S15 Partition
Fermacell 1S21 Insulated Partition
Fermacell 1S22 Partition
Fermacell 1S24 Insulated Partition
Fermacell 1S25 Insulated Partition
Fermacell 1S29 Insulated Partition