M Brock Steel Door Sets – UK-Crafted Fire, Thermal & Security Solutions
M Brock steel door sets, proudly manufactured in the UK, deliver high-performance solutions for fire protection, thermal efficiency, and security. Designed for demanding commercial and industrial environments, our steel door sets combine certified performance with long-term durability.
As a result, M Brock steel doors are trusted across a wide range of sectors where compliance, reliability, and security are critical.
Why Choose M Brock Steel Doors?
Our high-specification steel door sets are engineered to meet the requirements of modern buildings and regulated environments. Consequently, they are widely specified for:
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Commercial Buildings
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Educational Institutions (Schools & Universities)
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Transportation Hubs
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Retail Environments
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Sports & Leisure Facilities
Each steel door solution is designed to deliver strength, safety, and long-term operational performance.
Custom Design & Certified Quality
Every M Brock steel door set is custom-designed to meet your project’s precise requirements. We offer extensive configuration options to ensure full compliance and seamless integration, including:
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Vision Panels
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Side Panels
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Over Panels
Importantly, all single and double steel door sets are rigorously tested and fully certified to meet stringent UK and industry standards. This ensures consistent performance across fire-rated, thermal, and security applications.
RAL Options & Expert Support
Our steel door sets are available in a wide range of RAL colour finishes, allowing you to match both architectural and branding requirements. In addition to manufacturing, we provide expert design guidance throughout the specification process.
By working closely with your project team, we ensure the selected steel door solution delivers the required performance, compliance, and aesthetic outcome.
Bespoke Steel Door Sets & Professional Guidance
Our extensive steel door range includes single and double steel door sets, available in multiple sizes with flexible ironmongery options. This allows each steel security door to be tailored to your operational, safety, and access requirements.
From the outset, our experienced team supports accurate specification. As a result, your steel door set meets all relevant performance, fire safety, and regulatory standards before manufacture begins.
The M Brock Advantage – Secure Your Project with Steel Door Sets
We invite you to explore our product catalogue and case studies, which demonstrate the quality, performance, and versatility of our steel door installations across multiple sectors.
If you are ready to discuss your requirements, contact our team today. Discover how M Brock delivers secure, compliant, and efficient steel door sets tailored precisely to your project.
Addtional Information
Maximum Structural Openings
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Single Steel Door Sets: 1350mm x 3000mm
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Double Steel Door Sets: 2700mm x 3000mm
Fire Ratings
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Single Steel Door Sets: Up to 4-hour fire rating
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Double Steel Door Sets: Up to 2-hour fire rating
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Steel Doors with Vision Panels: Up to 2-hour fire rating
Ironmongery
All steel door sets are supplied as standard with robust Exidor ironmongery. However, alternative ironmongery options can be specified to suit individual design, performance, or aesthetic requirements.
Information Guides
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