Verified by manufacturer 9 months ago
100 (97.5) mm wall thickness.
BBA Agrément Certificate
Certificate type
Independent lining system with 30 minutes fire resistance.
Independent dry linings.
Metal stud lining 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 |
Uniclass | |
CAWS | K10/155 Wall lining system (metal studs) K10/30 Metal stud |
Insulation | Not required. |
Linings | |
Inner layers | One layer of 12.5 mm fermacell® and one layer of 10 mm fermacell® gypsum-fibreboard.Two layers of 12.5 mm fermacell® gypsum-fibreboard. |
Fasteners | fermacell® screws.Guidance for specification option: 30 mm fermacell® screws at 400 mm centres and 40 mm fermacell® screws at 250 mm centres. |
Joint treatment | Inner layer, 1 mm (maximum) dry butt joints; Outer layer, fermacell® Jointstik 1 mm glued joint.Inner layer, 1 mm (maximum) dry butt joints; Outer layer, fermacell® Jointfiller 5–7 mm filled joint. |
Finish | fermacell® Fine Surface Treatment (FST).Not required. |
System accessories | Manufacturer guidanceUse correct accessories as per manufacturers guidelines. Insert requirements. |
Execution | Manufacturer guidanceInstalling gypsum board linings generally. |
System completion | Verification of performance. |
Metal studs | 75 mm. |
WallThickness | 100 (97.5) mm. |
Substructure | 75 x 0.6 mm. Manufacturer guidanceMax 600 mm centres. |
Board | 2 x 12.5 mm. 12.5 mm + 10 mm. |
Thickness | Not required. 50 mm; 20 kg/m³. Guidance for specification option: Mineral wool insulation - for better sound rating. |
Board size | 2400 x 1200 mm. 2700 x 1200 mm. 3000 x 1200 mm. |
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. |
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. |
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. |