Keystone Lintels Ltd is the UK & Ireland's largest manufacturer of steel lintels. Founded in 1989, the short history of Keystone has been one of relentless expansion and continuous innovation whilst redefining the meaning of service in the lintel industry. Keystone has a large professionally qualified team, operating from modern production facilities throughout the UK and Ireland. We are proud to set the standard in steel lintel design, production and delivery service.
With knowledge of the ever changing needs of our customers, we continually invest in specialist plant and equipment. Keystone now produce more than just steel lintels. Our range of specialist products is designed to meet the needs of even the most complex project. We support architects and designers to push back the boundaries of what is possible in ‘special’ steel lintel design with our custom design service.