Fire protection door, Field width: 3, 1045 mm x 1045 mm x 22 mm, IP54

Extension frame for 1-leaf fire protection facing doors, usable for facing doors with overall height 1 and field width 3. If the current arrangement protrudes more than 20 mm over the wall, this additional extension frame can be ordered for the facing door. Internal dimensions in mm (H x W x D) 815 x 815 x 22, external dimensions in mm (H x W x D) 1045 x 1045 x 22.