Headquartered in Linlithgow, develops and supplies certified fire door systems including pre-tested fire door blanks, cores, intumescent and smoke seals and compatible hardware, used by door manufacturers throughout the UK. The Prima and Optima ranges hold Certifire Certificates of Approval including CF 435, CF 534 and CF 5535 for FD30 and FD60 timber door assemblies. Certified to ISO 9001:2015 and ISO 14001:2015.