What specification are fire retardant curtains from Corona Contracts?GraemeGraeme4:57 pmMay 15th, 2023 What specification are fire retardant curtains from Corona Contracts? A What specification are fire retardant curtains from Corona Contracts? Fire retardant curtains from Corona Contracts meet BS5867 regulations. More information on these regulations and the fire resistance they guarantee can be found here. 0 Can Corona contracts add fire resistance to blinds? Do you provide regular maintenance for office blinds?