Raising frame for single-leaf fire protection front doors, can be used for front doors with a construction height of 4 and a field width of 2. If the existing distribution should protrude more than 20 mm above the wall, this additional raising frame for the front door can be ordered. Internal dimensions in mm (H x W x D) 1265 x 565 x 22, external dimensions in mm (H x W x D) 1495 x 795 x 22.