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BBA Agrément Certificate
Certificate type
QA Certificate
Certificate type
Timber stud insulated partition system with 60 minutes fire resistance.
Timber stud insulated partition system.
Timber stud insulated partition system based on fermacell® gypsum-fibreboard linings. Homogeneous dry lining board made from recycled gypsum, recycled cellulose fibres from post consumer waste paper and recycled water.
Features and benefits:
Colorfermacell® Gypsum-Fibreboard. | Grey |
Material | Gypsum fermacell® Gypsum-Fibreboard consists of a homogeneous mixture of water, gypsum and cellulose fibre compressed at high pressure. |
Shape | Rectangle |
Length | 2400 mm 2700 mm 3000 mm |
Width | 1200 mm |
Uniclass | |
CAWS | K10/15 Lining on timber K10/205 Lining on timber |
System performance | To EN 1364-1, 60 minute (EI) fire rated partition. |
Insulation | Mineral wool insulation.70 mm x 35 kg/m³. |
Linings | - |
Inner layers | One layer of 12.5 mm fermacell® and two layers of 12.5 mm fermacell® to the other side. |
Fasteners | 40 mm fermacell® screws at 250 mm centres.44 mm + staples at 200 mm centres.50 x Ø 2.8 mm nails at 200 mm centres. |
Joint treatment | Inner layer, 1 mm (maximum) dry butt joints; Outer layer, fermacell® Jointstik 1 mm glued joint.Square edged boards. Inner layer, 1 mm (maximum) dry butt joints; Outer layer, fermacell® Jointfiller 5–7 mm filled joint.Site cut boards. |
Finish | Not required.fermacell® Fine Surface Treatment (FST). |
System accessoriesUse correct accessories as per manufacturers guidelines. | - |
ExecutionInstalling framed partitions generally. | - |
System completion | Verification of performance. |
Timber studs | 89 x 38 mm. |
WallThickness | 127 mm. |
SubstructureTimber stud (max. 600 mm centres). | 89 x 38 mm. |
Base plateHead / base plate. | 89 x 38 mm. |
ThicknessInsulation thickness / density. | 70 mm x 35 kg/m³. |
Densityfermacell® fibre gypsum board. | 1150+50 kg/m³. |
Water vapour diffusion resistancefermacell® fibre gypsum board. | 13 μ. |
ThermalConductivityfermacell® fibre gypsum board. | 0.32 λ. |
SpecificHeatCapacityfermacell® fibre gypsum board. | 1.1 kJ/kgK. |
Hardnessfermacell® fibre gypsum board. | 30 N/mm². |
ThicknessSwellingFermacell fibre gypsum board. | < 2%. |
Shrinkagefermacell® fibre gypsum board. Extension/shrinkage. | 0.25 mm/m. At 30% change in relative humidity (20°C). |
MoistureContentfermacell® fibre gypsum board. | 1.3%. At 65% relative humidity at 20 °C air temperature. |
pH valuefermacell® fibre gypsum board. | 7–8. |
Usagefermacell® fibre gypsum board. | Type 1 and 2. Usage classification to EN 1995-1. |
ThermalExpansionCoefficient | 0.0001% /K. |
Sound performance | Rw 49 dB. |
Recycled content | 100 % Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable. |
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