TRE-D Plus is a range of doors with coplanar board and 80mm casing. Built-in hinges, magnetic lockset and innovative finishes. Part of the Plus range of doors, it is also available in full hinged version (Piena) and Granvetro (with glass). Also available in sliding version, or with a choice of the following finishes: 3D white, 3D grey, 3D wengé. The picture above shows the hinged version Naturale 3D.