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Effex Dura

Expand your horizons

Effex® Dura by Stora Enso offers great form stability and an attractive exterior designed for long span window and door components. Combining enhanced rigidity with a beautiful surface, Effex Dura is tailor-made to maximise glass surfaces and open up the view.

Combining exceptional performance with style

Effex Dura’s unique design with standing year rings and homogenous structure improves rigidity beyond the specifications of normal finger-jointed material or solid blocks of wood. With lengths up to 6 metres, Effex Dura reduces the need for supportive structures and is the ideal solution for large glass surfaces.

Your choice of finish for a perfect fit

Alongside its superior form stability and rigidity, Effex Dura offers an attractive visual surface that makes it easy to achieve an elegant look. The surface can be stained for an attractive natural finish and lends itself well to painting or wrapping, depending on your needs.

Sustainable and efficient

Using Effex Dura allows you to produce more sustainable window and door components as the need for supportive materials is greatly reduced. With sustainability in mind throughout the supply chain, Stora Enso produces wood blanks created from sustainable materials. Radial sawing uses a natural method of cutting logs into slats that allows for unique architectural features in the final product while maximizing the recovery of timber from smaller logs. Our wood supply chains are third party certified according to PEFC™, FSC®, or both, and our wood manufacturing units have a good coverage of third-party certified management systems for quality (ISO 9001), environment (ISO 14001), and occupational health and safety (OHSAS 18001).

Key benefits of Effex Dura

  • Great form stability and rigidity

  • Tailor-made product

  • Length up to 6m for long span components

  • Visually attractive surface that can easily be painted, stained or wrapped

  • Produced in Finland from sustainable raw material


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Part of the bioeconomy, Stora Enso is a leading global provider of renewable solutions in packaging, biomaterials, wooden construction and paper. We employ some 23 000 people and have sales in more than 50 countries and our shares are listed on the Helsinki (STEAV, STERV) and Stockholm (STE A, STE R) stock exchanges.

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