The Keystone Group is the UK’s largest
Steel Lintel manufacturer and Europe’s fastest
growing Roof Window manufacturer.

With a strong focus on innovation, the company
has grown to its present position in the marketplace
by establishing a reputation for reliable supply
of quality specialist products.

Our History

The short history of The Keystone Group has been one of relentless expansion and continuous innovation whilst redefining the meaning of service in the construction industry. Production facilities in South Derbyshire, Cwmbran, Cookstown and Poland provide an efficient, flexible and modern working environment, which is part of the culture of quality and service at Keystone.

With such a clear focus on service and support for customers and a strong focus on research and development, Keystone is continuously growing and developing it’s extensive product offering. The Keystone Group now consists of Keystone Lintels, IG Lintels, Keylite Roof Windows, IG Elements, IG Masonry Support Systems and Smartroof.