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A high performance cellulose fibre cement sheet manufactured with sand, cement, cellulose fibre and additives.

Combines wind loading strength with high bending qualities, making it ideal for use as a sheathing board in multi-storey installations where its superb weathering properties allow extra time before external cladding systems need to be installed. Conforms to BS EN 634-1 BS EN 634-2, BS EN 13501-1 A2 Classification, BS EN 13986 and BS EN 318. CE marked.

Key applications:

  • Sheathing board on metal and timber frame.
  • Wet rooms.
  • Partitions in high impact applications.
  • OEM Application where improved strengths and density are required.


  • Excellent acoustic properties.
  • Excellent water repellence properties.
  • Improved fire performance over timber products.
  • High impact resistance.

General information

Excellent acoustic properties

Excellent water repellence properties

Improved fire performance over timber products

High impact resistance


1200 x 2400 mm

Uniclass 2015
Pr_25_71_52_25 Fibre-reinforced cement boardsPrimary
Specification data - Fibre-reinforced cement boards
Product Reference



6 mm

25 dB sound insulation.

8 mm

28 dB sound insulation.



RCM Intusil

Neutral cure sealant for use in gaps and joints.

RCM Foil Tape

Waterproofing seal.

RCM Joint Seal

Air tightness seal.

Standard product features


1200 x 2400 mm.


  • Nominal density: 1350 kg/m³.
  • Bending strength (Modulus of Rupture): 19.0 Mpa.
  • Modulus of Elasticity (MoE): 5.8 Mpa.
  • Thermal conductivity: 0.30 W/mk.
  • Fire rating (BS 476-6 and -7): Class 0.
  • Fungus and termite attack: Highly resistant.
  • Frost resistance: Five star.
  • Front face smooth, back face textured.
  • Durability (minimum): 30 years.

Product Options

Recommended fixing:

4.8 x 38 mm wing tip self-drilling fixing.

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