Patent AT-E400727-T1: [Translated] FIRE PROTECTION INSULATION DEVICE

The system is assembled of a suitable number of insulation panels and holding rails (3,11) with specifically shaped intersections. One of the rails (3) forming an intersection has a flat central segment provided with two rectangular extensions (6) opposite each other. A step (14) is located between the flat center and the extensions (6) matching the shape of the outer ends (16) of two rails (11) meeting at the central segment. Slots facilitate the release of moisture.