Guardian Industrial Doors design, manufacture, and install, a range of industrial doors, fire shutters, energy efficient sectional doors and ancillary equipment which address the key application issues of energy conservation, fire protection & security. MAINTENANCE We also specialise in maintenance service and emergency repair packages for not only the products we manufacture but most types of door and shutter systems. We are accredited to the DHF maintenance and repair accreditation TS004 EMERGENCY REPAIRS Emergency cover is also extended throughout the UK, twenty four hours a day, from our teams of field based engineers. We are accredited to the DHF maintenance and repair accreditation TS004