• Overview
  • Technical Data
  • Trims and Accessories
  • Downloads


Facades designed to stand the test of time

Supertech Weatherboard is a simple to install, fully ventilated rainscreen cladding system which has an appearance similar to that of traditional timber cladding but the durability and strength of cellulose fibre cement.

A single facet autoclaved cellulose fibre reinforced cement plank, Supertech Weatherboard is lightweight, requires little maintenance, is rot free, can be used in the same way as wood and allows you to create truly stunning facades.

Offering two ranges of finishes, natural timber effect stained and natural timber effect painted, Supertech offers an attractive alternative to traditional timber boarding and plastic effect PVCu cladding.

Supertech Weatherboard can be installed either horizontally in a traditional lapped style (most popular way) or vertically in a lapped, undulated or flat way.

Used by architects, national house builders, homeowners and contractors Supertech Weatherboard is factory finished and provides substantial design opportunities.

Supertech Weatherboard comes in two standard board sizes 190mm and 230mm. These sizes offer a greater coverage than any similar product on the market, representing a significant cost saving in time and reduced wastage.

Fire rated to EN 13501-1 class A2-s1, d0 (non-combustible).

Designed to stand the test of time

Made from reinforced cellulose fibre cement, Supertech Weatherboard has high levels of impact resistance, excellent weathering properties and outstanding levels of durability. With a minimum life expectancy of 30 years, it is a façade which will withstand the demanding test of time.

The entire system

The Supertech Weatherboard range comes with a full collection of colour matched screws, profiles and accessories.

Cutting and workability

Supertech is lightweight and easy to install. The weatherboard can be cut, drilled and nailed with conventional woodworking tools in a similar fashion to timber.

For cutting the product in any volume, we recommend the use of an RCM polycrystalline diamond Dart Blade to avoid excessive wear on other blades. Alternatively, RCM offer a complete fabrication service, please contact our technical department for details.


  • Fire rated to EN 13501-1 class A2-s1, d0 (Non-combustible)
  • UK factory applied colour
  • Low minimum order quantities
  • High levels of weather resistance
  • Easy to install and lightweight
  • Range of colour matching aluminium trims available
  • Resistant to rot, fungus or insect attacks
  • Able to match to any RAL or BS colour
  • Low maintenance, long performance life
  • Excellent appearance without the imperfections seen in timber
  • Increases property value
  • Integrates with other RCM products

Key Applications

  • Ventilated rainscreen cladding
  • Over-cladding for existing buildings
  • New build facades
  • Feature detailing
  • Sheds and summer houses

Recommended fixings

Supertech Weatherboard is installed using screws or nails in a secret fix method. There is no requirement for pre-drilling.  For the top and bottom planks where fixings are visible, we are able to supply colour matched fixings.

Standard Board Sizes

Thickness 7.5mm

3660 x 190mm

3660 x 230mm

Suitable for the following construction types

  • Steel Frame
  • Timber Frame
  • Modular / Offsite
  • Concrete Frame

Download BIM object here

RIBA profile

Technical Data

  • Contact us for more information - 0800 612 4662

Trims and Accessories


02 . 2
Add Sample to Basket

Add to Sample Basket

Please choose from the options below to add a sample to basket.