Fermacell Board

Fermacell is multi-purpose building board made from recycled cellulose fibres, gypsum, post consumer waste paper and recycled water. It combines the benefits of solid blockwork with the speed and ease of modern dry lining systems. Fermacell is a diverse product that delivers high levels of acoustic performance, moisture resistance, fire resistance and impact strength in one single layer construction. It is therefore a popular choice for a wide range of wall, floor, and ceiling applications.

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Fermacell Gypsum Fibreboard

Fermacell is a gypsum based building board manufactured by the James Hardie group. Recycled gypsum, cellulose fibres, water and post consumer waste paper are mixed together to form a homogenous mass, which is then compacted into a dense sheet material. These sheets are then left to cure in an oven, and are then cut to the appropriate board size.

Due to its diverse composition, Fermacell offers exceptional fire and moisture resistant properties. It is sometimes referred to as Fermacell insulation board, for its benefits as acoustic insulation and thermal insulation. It has enhanced weight carrying capacity, which makes it popular for use in structural applications.


Fermacell gypsum boards come in a variety of sizes with either square or tapered edges. This gives a lot of choice within the range to find the correct board. The most common board is the 2400mm x 1200mm x 12.5mm Square Edge.

Fermacell Specification Details

The varied composition of Fermacell gypsum fibreboard makes it a high performance, one board product with many benefits, including:

  • Exceptional fire resistance, reaching A2 non-combustible on the Euroclass scale in accordance with EN 13501-1
  • Enhanced moisture resistance
  • Sound-absorbing properties making it effective as acoustic insulation
  • High impact resistance and screw holding ability
  • Thermal insulation properties
  • Environmentally friendly


Fermacell Gypsum Fibreboard Applications

High performance, multi-purpose Fermacell building boards can be used in a variety of building applications, including:

  • Commercial and non-commercial projects
  • Timber frame wall applications
  • Single layer partitions
  • Bathrooms as a tile backing board
  • Flooring applications
  • Ceiling applications


In most of these applications, a 2400mm x 1200mm board will be installed in a single layer construction, in lieu of blockwork or multiple layers of drylining. Fermacell gypsum boards should installed using Fermacell screws and treated with fine surface treatment (FST). Fermacell boards can be painted, wallpapered or tiled, which eliminates the need for wet trades such as plastering. This simplifies the overall complexity and makes installation quick and easy.