Single facet autoclaved cellulose fibre cement panel with additives, which is specifically designed to provide long-term external durability in lieu of timber cladding.

Low maintenance, with two surface finishes and is an ideal alterative to timber or PVC-U weatherboards. A full range of trims is available. Supertech readily accepts a variety of surface finishes, including paint and stain. It is simple to install and ideal for homes and commercial buildings, offering significant technical advantages over more traditional materials. CE marked.

Key applications:

  • Homes and commercial buildings.
  • Decorative cladding for residential and commercial buildings.


  • Excellent appearance without the imperfections seen in timber façades.
  • Resistant to rot, fungus or pest attacks.
  • Fire rated Class O.
  • Minimum life expectancy of 30 years.
  • Low maintenance and long lasting performance.

Standard product features


210 x 3660 mm.


  • Nominal density: 1300 kg/m³.
  • Bending strength (Modulus of Rupture): 17.0 Mpa.
  • Modulus of Elasticity (MoE): 5.5 GPa.
  • 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.
  • Durability (minimum): 30 years.



Available in standard painted and stained colour range or to any RAL / British standard colour including a range of metallic finishes.

  • Standard finish: Natural
  • Stained colour finishes: RCM/WS01 Pine, RCM/WS02 Light Oak. RCM/WS03 Ceder, RCM/WS04 Dark Oak, RCM/WS05 Walnut, RCM/WS06 Ebony.
  • Painted colour finishes: RCM/OP01 White, RCM/OP02 Light Grey, RCM/OP03 Beige, RCM/OP04 Cream, RCM/OP05 Blue, RCM/OP06 Green, RCM/OP07 Black, RCM/OP08 Graphite Grey, RCM/OP09 Dark Grey, RCM/OP010 Brown, RCM/OP011 Lilac Blue, RCM/OP012 Lavender Blue, RCM/OP013 Dark Brown, RCM/OP014 Sand Yellow, RCM/OP015 Red, RCM/OP016 Fir Green.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-45-50/305 Fibre reinforced cement weatherboard

Product specification

An important note about specifying



RCM - Roofing and Cladding Materials Ltd


+44 (0)800 6124662

Product reference



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[RCM Foil Tape]
Waterproofing seal.
[RCM Intusil]
Neutral cure sealant for use in gaps and joints.
[RCM Joint Seal]
Air tightness seal.

Manufacturer details

Units 25-26 Rosevale Road,
Parkhouse Industrial Estate West,
Staffordshire, ST5 7EF
Tel +44 (0)800 6124662
Fax +44 (0)845 1303726
NBS Plus
NBS National BIM Library