Crittall is the original manufacturer of high-performance, slim-line steel windows – a pioneer of steel frame window manufacture for almost 200 years. Crittall pioneered and standardised the steel window industry, becoming the dominant source of steel windows and doors internationally with manufacturing facilities on five continents. The company also produces glazed steel partitioning screens under the InnerVision brand. Today the company has a state-of-the-art manufacturing/production facility in Witham Essex and is one of the world’s leading steel window frame manufacturers. Crittall’s polyester powder-coated galvanised steel windows will last 60+ years, not requiring redecoration for 25 – 30 years.