Verified by manufacturer 10 months ago
BBA Agrément 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:
Color | Grey Manufacturer guidancefermacell® Gypsum-Fibreboard. |
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 |
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.Guidance for specification option: 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.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 guidanceUse correct accessories as per manufacturers guidelines. |
Execution | Manufacturer guidanceInstalling framed partitions generally. |
System completion | Verification of performance. |
Timber studs | 89 x 38 mm. |
WallThickness | 127 mm. |
Substructure | 89 x 38 mm. Manufacturer guidanceTimber stud (max. 600 mm centres). |
Base plate | 89 x 38 mm. Manufacturer guidanceHead / base plate. |
Thickness | 70 mm x 35 kg/m³. Manufacturer guidanceInsulation thickness / density. |
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/kgK. 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. |
Sound performance | Rw 49 dB. |
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. |
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