fermacell® 3S31 Independent Lining - Independent lining system
Verified by manufacturer 1 month 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 | 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
Material | Gypsum Guidance for specification option: Fermacell Gypsum-Fibreboard consists of a homogeneous mixture of water, gypsum and cellulose fibre compressed at high pressure. |
A1-A3 (production stage) | Embodied carbon as defined in BS EN 15804 |
Normalised unit | -0.5 kg CO₂ eq/kg |
Declared unit | -4.58E-1 kg CO₂ eq/kg Self-declared |
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 Manufacturer guidanceLifetime of the building in normal use. |
Literature
fermacell® Specification Guide
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