Keystone Lintels

Keystone Lintels

Keystone Lintels Limited is the largest manufacturer of steel lintels in the UK and Ireland. 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.

Production facilities in Derbyshire and Cookstown, Northern Ireland provide an efficient, flexible and ergonomic working environment, which is part of the culture of quality and service at Keystone.

Keystone has a large professionally qualified team, operating from modern production facilities throughout the UK and Ireland. Keystone is proud to set the standard in lintel design, production and delivery service. With knowledge of our customers’ ever-changing needs, we continually invest in specialist plant and equipment.  

Keystone produces more than steel lintels.  Our specialist range is designed to meet the needs of even the most complex project.  Keystone offers a custom design service for a range of special lintels and masonry support systems.  The Keyslip Brick Details range which consists of Brick Feature Lintels and lightweight headers and sills, enables intricate brickwork detail to be carried out in a factory controlled environment.  These one piece units are delivered to site with bricks already bonded for final pointing. 

Keystone Lintels has set new standards for thermal efficiency in steel lintels with the award winning Hi-therm+ lintel. The Hi-therm+ is up to 5 times more thermally efficient than a standard steel lintel and remains the only BBA approved, one-piece, thermally efficient lintel in the market. The Hi-therm+ Lintel provides a low cost route to improve both CO2 reduction and Fabric Energy Efficiency standards as well as achieving better buildability with the simplicity of a one piece structurally superior top hat design.

Hi-therm+ offers a cost effective solution to lowering carbon emissions within SAP, resulting in Psi values as low as 0.05 W/m.K . Use our Psi Value Calculator to generate an instant Psi value calculation for your project using Hi-therm+.

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