fermacell® 3S31 Independent Lining - Independent lining system
Verified by manufacturer 10 months ago
112.5 mm wall thickness.
112.5 mm wall thickness.
Independent lining system.
Application
Independent dry linings.
Description
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:
- The board is light grey in colour.
- Available as square edged.
- Marked on the rear face with the product name and identification.
- fermacell® fibre gypsum boards offer a wealth of advantages compared to conventional interior dry lining such as plasterboard.
- High performance building board that when installed offers the speed of dry-wall with the robustness of blockwork saving in space, time and money.
General information
Color | Grey Manufacturer guidanceBoard colour. |
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 |
Specification data - Gypsum board wall lining systems
System performance | Fire performance EI 90 to EN 1364-1. Improved sound performance - ΔRw 22 dB. |
Insulation | Not required. |
Linings | |
Inner layers | Three 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.Manufacturer guidanceOuter layer. |
Finish | Not required.fermacell® Fine Surface Treatment (FST). |
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 fermacell® studs. 100 mm fermacell® studs. |
WallThickness | 112.5 mm. |
Substructure | 75 x 0.6 mm fermacell® studs. Manufacturer guidanceMax 600 mm centres. |
Board | 3 x 12.5 mm. Manufacturer guidanceBoarding to room side. |
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. 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. |
Sustainability data
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. |
Literature
fermacell® Specification Guide
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