The 4210 Interior steel door is a solid door without glass openings. The single leaf version can be combined with classifications according to sound,fire and smoke. The door is applicable for indoor commercial and public environments where a high quality product is demanded ; eg hospitals, hotels, restaurants as well as parking lots, basements, technical rooms and staircases. Fire classificatons available as unclassified, EI2 30, EI2 60, EI2 90 & EI2 120.