Manufactures fire-rated steel doors, riser doors and access panels from its West Midlands facility, part of the Quanex group. The PRO-INNA-DOR internal and PRO-OUTA-DOR external steel fire doors are third-party certified under the CERTIFIRE scheme with ratings up to 240 minutes, and the company was the first UK manufacturer to obtain CERTIFIRE certification for bi-directional fire testing. Sample specimens are witnessed in production by a CERTIFIRE representative before testing at Warringtonfire.