Commercial & specification
Commercial steel.
Certified. Slim. Specified.
Fire-rated systems from E30 to EI120, and external commercial facades built around your performance requirements for architects, developers and main contractors.
E30–EI120
Fire-rated system range
Slim sightlines
Architectural steel proportions
Project support
Drawings · certification · NBS on request
Commercial fire-rated systems
Performance specified.
Architecture preserved.
Two fire-rated families, from integrity-only E30 through insulated EI120. Start with the project’s fire strategy, then confirm the system, configuration and certification.
The Sentinel · Commercial
Sentinel E30
E30 · Integrity · 30 minutes
A refined commercial integrity fire-door system for architects and main contractors who need architectural quality alongside documented fire performance. Internal and external applications, subject to the certified configuration.
E30 integritySlim steel profileInternal & external
Systems & applications
Hinged single · Hinged double · Partition walls · Side screens · Top screens
For commercial compartmentation and separation, with the appropriate application established by the project fire strategy.
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The Resilience · Commercial
Resilience Commercial
EI30 / EI60 / EI90 / EI120 · Insulated fire-rated
The broadest commercial fire-rated family in the range, combining integrity and insulation ratings from EI30 to EI120 for demanding specifications in high-rise, mixed-use and critical commercial environments.
EI30EI60EI90EI120
Systems & applications
Hinged single · Hinged double · Partition walls · Side screens · Top screens
Internal and external options. Available sizes, glazing, hardware and installation details depend on the required rating and supporting test evidence.
Explore system →External commercial systems
Steel frames.
Commercial character.
Thermally broken external glazing and bespoke steel shopfronts for offices, mixed-use developments, hotels, retail and hospitality made to order around the architecture.
The Artesa · Commercial
The Artesa
ART. 2.0 · Thermally broken · Doors, windows & screens
A slim thermally broken steel profile for commercial environments, bringing thermal, acoustic and security options without the visual weight often associated with commercial glazing.
PAS 24 optionsU-values down to 1.2 W/m²KAcoustic performance up to 45dB
Systems & applications
Windows · Single doors · Double doors · Side screens · Top screens · Fixed glazed walls
Performance figures are configuration-dependent. Ask for the relevant EN 14351-1/CE documentation, security and acoustic evidence, and ZF100 coating specification for your chosen system.
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The Signature · Commercial
The Signature
B40 External · Steel shopfront & commercial glazing
A steel shopfront system with genuine architectural character. Slim sightlines, large glass areas and bespoke configurations for retail and hospitality projects that need to be remembered.
Retail & hospitalityBespoke shopfrontsMade to order
Systems & applications
Hinged entrance doors · Fixed glazed facades · Custom entrance configurations · Large glazed areas
Luxury retail shopfronts · Hotel and hospitality entrances · Flagship stores and showrooms · Restaurants
Explore system →Why specify Black Steel Doors
Designed to perform.
Supported from day one.
Early-stage support for architects and designers, from initial concepts and RIBA Stage 1 discussions through specification, manufacture and installation.
01
Slim profiles at every rating
Refined steel proportions across the range, including high-performance insulated systems. Confirm sightlines and permitted details for your selected rating.
02
Factory direct
Controlled manufacturing quality, made-to-order specification and a programme agreed around the project. Indicative lead times on the existing range are 4–8 weeks; confirm current availability and scope with the team.
03
Certification documentation
Relevant third-party test reports, product documentation, CE marking where applicable and installation requirements for the selected system.
04
Supply & install or supply only
Our installation team, or supply-only with technical support for your approved contractor coordinated around the project’s responsibilities and requirements.
Specification support
The details your project needs.
Request drawings, available NBS clauses, specification sheets and test/classification documentation. We’ll help identify what is relevant to your proposed system and application.
Start your commercial project
Tell us what you’re specifying.
We’ll work through the detail.
Share your drawings, required ratings and performance criteria. Our team will help identify a suitable system and the technical documentation needed to develop the specification.
