Keyfab Structural Steel
From bespoke residential steelwork to complex structural frames, Keyfab provides a complete design, fabrication and delivery service backed by the engineering expertise of Keystone Lintels. Working alongside architects, engineers, developers and contractors, we deliver practical, buildable structural steel solutions from concept through to installation.
Built with Keyfab
A selection of completed projects demonstrating the versatility of KeyFab structural steel across residential, commercial and public sector developments.
The Keyfab Difference.
A Trusted Name in Structural Steel
Backed by the UK & Ireland’s leading steel lintel manufacturer, Keyfab combines specialist structural steel expertise with the engineering capability, manufacturing quality and customer support trusted by construction professionals across the UK and Ireland.
Everything Under One Roof
By sourcing both your structural steel and steel lintels from Keystone Lintels, you benefit from a single point of contact, coordinated engineering and simplified project management. One manufacturer, one technical team and one trusted partner throughout your project.
Collaborative Engineering
Our engineers work alongside architects, structural engineers and contractors from the earliest design stages, developing practical solutions that integrate structural steel and lintels within the overall building design.
Construction Knowledge
Our expertise extends beyond structural steel to understanding how steelwork interfaces with masonry, lintels and the wider building envelope, ensuring every solution is designed to work together seamlessly.
Signature projects
Explore our Signature Projects - a showcase of exceptional builds that highlight the strength, versatility, and innovative design solutions delivered by Keystone Lintels across a range of sectors and architectural styles.
View more projectsGet technical support
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Comprehensive technical support
Scheduling & specification service
Bespoke design service
Knowledgeable experts
Advice on optimum lintel solutions
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