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48.5 mm wall covering thickness.
BBA Agrément Certificate
Certificate type
QA Certificate
Certificate type
Wall lining.
Wall lining on timber subframe.
Timber Batten 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 |
Shape | Rectangle |
Length | 2600 mm |
Width | 1200 mm |
Uniclass | |
CAWS | K10/15 Lining on timber K10/205 Lining on timber |
Insulation | Not required.Required.Optional, consult manufacturer. |
Linings | - |
Inner layers | One layer 12.5 mm fermacell® and one layer 10 mm fermacell®. |
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 jount. |
Finish | fermacell® Fine Surface Treatment (FST).Not required. |
System accessoriesUse correct accessories as per manufacturers guidelines. Insert requirements. | - |
ExecutionInstalling gypsum board linings generally. | - |
System completion | Verification of performance. |
Timber studs | 30 x 50 mm 40 x 40 mm 60 x 40 mm |
Centres | 600 mm. |
WallThicknessWall covering thickness. | 48.5 mm. |
Substructure | 25 x 50 mm. |
BoardBoarding room side. | 12.5 mm + 10 mm. |
Board size | 2400 x 1200 mm. 2700 x 1200 mm. 3000 x 1200 mm. |
Water vapour diffusion resistance | 13 μ. |
ThermalConductivity | 0.0001 %/K. |
SpecificHeatCapacity | 1.1 kJ/kgK. |
Hardness | 30 N/mm². |
ThicknessSwelling | < 2%. |
ShrinkageExtension/ shrinkage. | 0.25 mm/m. At 30% change in relative humidity (20°C |
MoistureContent | 1.3%. At 65% relative humidity at 20 °C air temperature. |
pH value | 7—8. |
Usage | Type 1 and 2. Usage classification to EN 1995-1. |
ThermalExpansionCoefficient | 0.32 λ. |
Density | 1150+50 kg/m³. |
Recycled content | 100 % Best fermacell® gypsum fibreboard contains 100% recycled content. All by-products recyclable. |
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