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Panel manufacturer STENI UK is marking its 50th anniversary.


Specialist cladding manufacturer STENI UK is celebrating 50 years in business.



The revolutionary lightweight and low maintenance reinforced polymer composite panels which use a patented production method were founded in 1965 by Asbjørn Rønning from modest premises in Norway.


Manufactured from polyester with a core of stone reinforced with fibreglass and a surface of crushed natural stone, the panels were particularly high impact, water and weather resistant and quickly garnered media attention and interest from the construction industry far beyond Norway’s borders.


STENI expanded rapidly and established companies in Europe and the USA, adding to what is now the Nature range with STENI Colour panels in 1996. These featured a smooth, electron-beam-cured acrylic surface and are available cut to size in the factory.


Today, STENI offers panels for external rainscreen and internal applications with endless surface options - natural stone in different grades and colours; coloured, smooth surfaces in different gloss levels, and printed surfaces with unlimited individual design and decoration options.


Now owned by the Swedish firm Accent Equity Partners, STENI products are sold across the world with a unique 40-year warranty from dedicated sales companies in Norway, Sweden, Denmark, Finland, the Benelux and the UK.


STENI currently employs around 130 staff and has delivered more than 48 million square metres of façade and construction panels for buildings virtually all over the world.


The business has major growth ambitions for its various markets, with a new strategic direction giving clear emphasis on design and lasting architectural expressions. A new profile and logo will be launched in this anniversary year to further reinforce the company’s new strategic direction.




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