Fibre gypsum boards offering reliable fire and sound insulation
fermacell® fibre gypsum boards are solid, homogeneous boards made of gypsum and paper fibres. They are designed for interior finishes subject to mechanical stress and are used in demanding drywall systems. Depending on the system configuration, they meet fire and sound insulation requirements and enable impact-resistant, durable dry lining.
Fibre gypsum boards are suitable for interior walls, ceilings and the boarding of sloping ceilings.
fermacell® solutions are designed to ensure clear workflows during the finishing stages: a small number of coordinated components, clean detailing and a method of installation that can be carried out quickly and consistently. This reduces the number of interfaces, simplifies installation and keeps the construction process on track.
Fewer layers of boards mean less handling and fewer fixing points – and allow for greater flexibility when planning wall and ceiling layouts (depending on the installation).
For complex timber structures with load-bearing systems and bracing functions – and to meet sound insulation requirements in the relevant construction.
Fire safety is ensured through the building’s construction, e.g. with fire safety solutions for 30 to 120 minutes – depending on the design and specific details.
Gypsum, water and paper – these natural components help regulate humidity, thereby improving the indoor climate.
Installation made easy – save time, ensure quality
Watch the video to find out how to use fermacellTM fine surface treatment efficiently and precisely – including expert tips for ensuring everything runs smoothly on site.
Technical Specifications & Documents
fermacell® fibre gypsum boards: Everything you need to plan and optimise your projects.
Dimensions
Thickness: 10 mm, 12.5 mm, 15 mm, 18 mm
Custom sizes available in length and width
Weight
10 mm = 11.5 kg/m²
12.5 mm = 14.5 kg/m²
15 mm = 17.5 kg/m²
18 mm = 21 kg/m²
Material
fibre gypsum
Bulk density
1150 ± 50 kg/m³
Building material class in accordance with DIN EN 13501-1
non-combustible, A2
Water vapour diffusion resistance factor
μ = 13
Thermal conductivity
λ = 0.32 W/mK
Specific heat capacity
c = 1.1 kJ/kgK
Brinell hardness
30 N/mm²
Thickness swelling after 24 hours of soaking in water
< 2%
Coefficient of thermal expansion
0.001%/K
Expansion/contraction resulting from a 30% change in relative humidity (20 °C)
0.25 mm/m
Equilibrium moisture content at 65% relative humidity and an air temperature of 20 °C
1.30%
pH value
7–8
*Trimming of 5mm per side recommended for optimal squareness, but not mandatory for technical integrity
FAQ
You can find clear answers to the most frequently asked questions in our FAQ section.
fermacell® fibre gypsum products consist of 80% gypsum – a mixture of natural gypsum and flue gas desulphurisation (FGD) gypsum – and 20% paper fibres, which are obtained from waste paper through a recycling process. These two raw materials are processed into a homogeneous mixture and, after the addition of water – without any further binding agents – are pressed under high pressure into stable boards, dried, treated with a water-repellent agent to make them hydrophobic, and cut to the required sizes.
fermacell® fibre gypsum boards do not contain any substances that are harmful to health.
The absence of adhesives means there are no unpleasant odours. The boards and the manufacturing process have been tested by the Rosenheim Institute for Building Biology with regard to healthy living and environmental protection. Due to the excellent results, the fermacell® fibre gypsum boards have been awarded the ‘Tested and recommended by the IBR’ seal of approval. Furthermore, the ECO certificate confirms that they are free from harmful substances.
No.
fermacell® gypsum fibreboards are an ideal material for all aspects of dry interior finishing and can be used universally in construction projects from the basement to the roof. Due to their material composition (gypsum and paper fibres), they are a gypsum-based building material best suited for interior use.
For outdoor use, cement-bonded fermacell™ Powerpanel products should be used in accordance with the relevant building and structural requirements.
The structure of fermacell® fibre gypsum boards and fermacell® Powerpanel boards is the same in both the longitudinal and transverse directions. They can therefore be installed either parallel or perpendicular to the substructure.
To achieve optimum strength, it is nevertheless advisable to lay the longer sides of the panels end-to-end on the substructure and the shorter sides at right angles to them. In the case of single-layer cladding, these should then be glued down where possible.
These specifications apply to both wall and ceiling structures.
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