Verified by manufacturer 28 days ago
≥200 mm wall thickness
BBA Agrément Certificate
Certificate type
EPD
Certificate type
European Technical Approval (ETA)
Certificate type
Twin timber stud insulated partition system.
Twin timber stud insulated partition system.
Timber twin stud 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:
Color | Grey |
Material | Gypsum Guidance for specification option: 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 |
Height | 4000 mm |
Uniclass | |
CAWS | K10/15 Lining on timber K10/205 Lining on timber |
System performance | |
Sound insulation, Rw (minimum) to BS EN ISO 10140-2 or BS EN ISO 140-3 | 64 Rw (dB). |
Fire resistance to BS EN 1364-1 and classification to BS EN 13501-2 | EI 60. |
Maximum height - cold state | 4000 mm. |
Maximum height - fire state | 4000 mm. |
Thickness | 200 mm. Guidance for specification option: ≥200 mm. |
Classification data | |
System manufacturer | James Hardie Building Products Ltd. |
Damp-proof course | As required. Guidance for specification option: Consult manufacturer for details. |
Framing | Timber studs. Guidance for specification option: Consult manufacturer for available options. |
Insulation | Mineral wool insulation. Guidance for specification option: 2 x 90 mm; 10 kg/m³. |
Resilient layer | As required. Guidance for specification option: Consult manufacturer for details. |
Fire separation | |
Cavity fire barriers | As required. Guidance for specification option: Consult manufacturer for details. |
Fire-stopping | As required. Guidance for specification option: Consult manufacturer for details. |
Linings | Inner layer: Two layers of 12.5 mm fermacell®. |
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. Guidance for specification option: Square edged boards. Inner layer, 1 mm (maximum) dry butt joints; Outer layer, fermacell® Jointfiller 5–7 mm filled joint. Guidance for specification option: Site cut boards. |
Finish | Not required. fermacell® Fine Surface Treatment (FST). |
System accessories | Manufacturer guidanceInsert requirements; use fermacell® accessories as per manufacturer's guidelines. |
Execution | Installing framed partitions generally. |
System completion | Verification of performance. |
Timber studs | 70 x 44 mm. Guidance for specification option:
|
Substructure | 70 x 44 mm. Guidance for specification option:
Manufacturer guidanceTimber stud (max. 600 mm centres). |
Base plate | 70 x 44 mm. Guidance for specification option:
Manufacturer guidanceHead / base plate. |
Thickness | 90 mm; 10 kg/m³. Guidance for specification option: x2. Manufacturer guidanceInsulation thickness / density. |
Board size | 2400 x 1200 mm. 2700 x 1200 mm. 3000 x 1200 mm. Manufacturer guidanceFermacell® fibre gypsum board. |
Density | 1150+50 kg/m³. Manufacturer guidancefermacell® fibre gypsum board. |
Water vapour diffusion resistance | 13 μ. Manufacturer guidancefermacell® fibre gypsum board. |
ThermalConductivity | 0.32 λ. Manufacturer guidancefermacell® fibre gypsum board. |
SpecificHeatCapacity | 1.1 kJ/kg·K. Manufacturer guidancefermacell® fibre gypsum board. |
Hardness | 30 N/mm². Manufacturer guidancefermacell® fibre gypsum board. |
ThicknessSwelling | <2%. Manufacturer guidancefermacell® fibre gypsum board. |
Shrinkage | 0.25 mm/m. Guidance for specification option: At 30% change in relative humidity (20°C). Manufacturer guidancefermacell® fibre gypsum board. Extension/shrinkage. |
MoistureContent | 1.3%. Guidance for specification option: At 65% relative humidity at 20 °C air temperature. Manufacturer guidancefermacell® fibre gypsum board. |
pH value | 7–8. Manufacturer guidancefermacell® fibre gypsum board. |
Usage | Type 1 and 2. Guidance for specification option: Usage classification to EN 1995-1. Manufacturer guidancefermacell® fibre gypsum board. |
ThermalExpansionCoefficient | 0.0001%/K. Manufacturer guidancefermacell® fibre gypsum board. |
Contains Red List materials | No |
Country of material origin | Spain |
Country of product manufacture | Spain |
Material | Gypsum Guidance for specification option: fermacell® Gypsum-Fibreboard consists of a homogeneous mixture of water, gypsum and cellulose fibre compressed at high pressure. |
| Carbon dioxide equivalent | |
Carbon dioxide equivalent, as defined in BS EN 15804 Certified | |
Stage Normalised unit (kg CO₂ eq/kg) Declared unit (kg CO₂ eq/kg) Stage:A1–A3 ('Production stage') Normalised unit : -0.458 (kg CO₂ eq/kg) Declared unit : -4.58E-1 | |
Recyclability | Fermacell can be recycled via James Hardie Building Product Ltd's manufacturing facility |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 100 % Guidance for specification option: Best Fermacell gypsum fibreboard contains 100% recycled content. All by-products recyclable. |
Expected Life | Lifetime |
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