The hurdle for establishing new woods in the window industry is
extremely high but Kebony, the sustainable alternative to tropical
hardwood, has overcome this obstacle and is now officially recommended
by the Verband Fenster + Fassade (German Association of Windows and Facades, VFF).
For years Kebony has been used across the world in window installations. Now, following research and exhaustive testing by Menck Fenster in Hamburg, which recommended Kebony as a suitable product for the
window industry, the wood has been recognised by the Institute for
Window Technology in Rosenheim. Read more at http://kebony.com/en/blog/kebony-recommended-windows.