Interex Laminated Wooden Flooring Interex comes in different finishes like Small embossed, Crystal, Wood texture, EIR and Sawcut. In all 21 shades are offered in 3 versions – Unica/Terra/Castle. Totally maintenance free and versatile in applications. Interex Floors are FSC certified with Valinge click system. Remarkably resistant to household chemicals, stains, abrasions, Interex Floors are totally healthy and ecologically compatible.