These doors are used for following reasons:
- The law imposes fire rated doors specifically certified for installation on plasterboard partitions.
- Advantage: more competitive price if compared to the embracing frame.
- Disadvantage: the wall opening corner of the side opposite to the hinges must be finished with plasterboard strips after door’s installation.
Construction like the handed doors, see the corresponding description in section “HANDED DOORS / Description / EI2 60 / EI2 120 / multipurpose (depending on the type chosen)” and supplied with a supplementary kit composed of screws, “T” shaped plates for the fastening to the partition and self expanding gasket to stick along the perimeter outside the frame.