Certified Security Steel Doors

Why Choose Our Security Doors?

From high-security access points to fire safety and acoustic control, steel doors are built to meet a wide range of demands. Whether you’re securing a utility substation, fitting out a school, or upgrading access in a retail unit, we supply steel door solutions tailored to the job. Choose from fire-rated, security-rated, acoustic, louvred, and personnel doors — all built for performance, compliance, and reliability on site.

Our Steel Door Range

Steel Personnel Door

Steel personnel doors offer a strong and secure solution for everyday business requirements.

Steel Emergency Exit Door

Steeldor emergency exit doors are custom-built for versatility, available in single, double, or leaf-and-a-half configurations. 

Thermally Rated Steel Door

Our Thermally Rated Steel Door is engineered to exceed UK Building Regulations Part L efficiency targets. 

Thermal and Fire Rated Steel Door

The Firedor Thermal Steel Door combines fire protection with high energy efficiency, offering U-values as low as 1.5 W/m²K

Sports Hall Steel Door

The sports door range is purpose-built for sports and leisure facilities, delivering safe and reliable emergency exits.

Louvred Steel Door

Strongdor’s louvred steel doors give you up to 50% free airflow without losing security. Built for tough environments, they’re also compatible with insect and bird mesh for added protection.

Ready to Secure Your Building?

Whether you need an individual security door or a large-scale installation project, our team is here to help. Contact us today for expert advice and a free quotation.

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Technical help

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