1998 – Cape Calsil Building Systems – production moved to Uxbridge, UK

2002 – Promat acquired Cape Calsil including DURASTEEL^®

2003 – Promat DURASTEEL^® production moved to Blackburn, UK

2003 – New Licensees appointed

2004 – Commence work on largest ever Promat DURASTEEL^® project - Terminal 5, Heathrow

2006 – Tallest ever Promat DURASTEEL^® barrier installed at White City

Historical Information

1934 – DURASTEEL^® invented and started operation (roofing and cladding)

1950’s – Developed Fire Resistant cladding and doors

1974 – Move to Wellingborough, UK

1976 – Non-Asbestos launch

1980 – Cape Calsil acquired DURASTEEL^®

1981 – New corporate image as Fire Protection Engineers


1989 – Sales changed to supply only and original Licensees appointed