51492 38mm Dia Engraved FD120 Fire door disc (White text on black) - Adhesive Backed (Pack of 50) Miscellaneous

All fire doors are rated. Some are FD120 (providing 120 min protection) others FD30, FD60, FD90 (30, 60, 90 min protection). Colour coded and compulsory in some organisations, these signs can be fixed to the door allowing easy identification of the doors fire rating without needing to view the door label on the top edge of the door.