Steel Personnel Door

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Durable Steel Doors Built to Order for Commercial and Industrial Applications

Steeldor single and double personnel door-sets are designed for internal and external use in commercial and industrial buildings, offering a strong and secure solution for everyday access requirements.

Each steel door-set is custom-built to order, with a wide range of configurable options. Choose from louvre panels, vision panels, over panels, side panels, frames, thresholds, and hardware to meet your exact specifications.

With an impressive acoustic rating of up to 39 dB, Steeldor door-sets help reduce sound transmission, making it ideal for noisy or sensitive environments where sound control is crucial.

 

Corrosion-Resistant and Simple to Install

Manufactured from high-tensile, corrosion-resistant steel, every door-set comes finished with a durable powder coating and a suitable installation kit for straightforward fitting. This ensures long-term performance in both indoor and outdoor settings.

 

Trusted by Contractors, Architects, and Specifiers

Thanks to its reliability and flexibility, Steeldor remains a trusted choice for contractors, architects, and specifiers, delivering consistent performance across a wide range of projects.

  • Expandable sides as standard
  • Over 150 colours as standard
  • Huge range of hardware options
Unique Range Features

Fast quotes
Easy fit doors
Steel door experts

Download Tech Specs
ISO 9001
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Made in Britain Colour

Product Features

Height Icon
Height

Single - up to 2.96m
Double - up to 2.96m
Leaf & A Half - up to 2.96m

Width Icon
Width

Single - up to 1.4m
Double - up to 2.7m
Leaf & A Half - up to 2.69m

I5
Leaf thickness

44mm deep leaf skin

I7
Air permeability

EN1026:2000 to class 3 – 600Pa (113kmh) test pressure

I9
Water tightness

EN1027:2000 to 150Pa for outward opening and 100Pa for inward

I8
Resistance to wind load

EN12211:2000 to 1200Pa (Class A3) 98 mph

I10
THERMAL TRANSMITTANCE - U-VALUE

Available with an insulated core as low as 1.5 U-value.

Strongdor Icons Acoustic
Acoustic Rating

Up to 39dB rating.

NBS Specification

Further information

Features
Drawings
Videos
Downloads

Frame

  • Manufactured from lightweight, high-tensile 1.5mm thick Rustec steel for enhanced strength and corrosion resistance.
  • Includes our unique Adjust 2-Fit side expander system, offering up to 12mm of lateral adjustment on each side to accommodate variations in the structural opening.
  • Supplied with a self-adhesive P-seal as standard for improved thermal and acoustic sealing.
  • Various frame depths and styles are available to suit a range of wall types and installations.

 

Download the full Steeldor Technical Specification (PDF)

 

Leaf

The door leaf is 44mm thick and includes an integrated astragal for enhanced security.
It is made from two 1.2mm Rustec steel skins that are mechanically interlocked and internally bonded, providing greater stability and resistance to delamination.

Core options include:

  • Standard: 44mm Hexatex core.
  • Upgrade: Insulated core with thermal performance as low as 1.5 W/m²K U-value.
  • Available with or without an astragal depending on your security and access needs.*

 

Contact a steel door expert to discuss suitable hardware configurations.

 

Door Ironmongery

  • Fitted with Grade 13 stainless steel, twin-bearing, template-drilled butt hinges featuring integral high-security dog bolts for enhanced protection.
  • All hardware is CE marked and compliant with UK and EU standards.
  • A wide range of locking options, panic hardware, handles, closers and access control systems are available on request.

 

See the full tech spec (PDF)

 

Finish

  • Each door is supplied with a durable powder-coated finish in a standard colour.
  • Upgrade to any colour in the full RAL palette to match your project’s branding or environment.

 

Customisation Options and Upgrades

  • Manual and electric locking systems for added access control flexibility.
  • Vision panels available up to 610mm x 1524mm.
  • Louvre panels up to 610mm x 1524mm for airflow and ventilation.
  • A variety of solid and glazed side panels and over panels.
  • Acoustic performance up to 39dB rated.
  • Thermal performance up to 1.5 W/m²K U-value.
  • Earth Bonding upgrade available for improved electrical safety and compliance with grounding requirements in sensitive environments.

 

All specifications and options are detailed in the Steeldor Technical Specification PDF.

96mm Door Threshold

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Steeldor Single Cross Section

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Steeldor Double Cross Section

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Strongdor Steel Door Single Install Thumbnail

Single Door Installation

This video contains detailed, step-by-step instructions for the safe installation of a Strongdor Steeldor single door-set. Please pay particular attention to the safety instructions.

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Double Door Installation

This video contains detailed, step-by-step instructions for the safe installation of a Strongdor Steeldor double door-set. Please pay particular attention to the safety instructions.

Touching Up Paintwork

Touching up Paintwork

A demonstration of how to sue the touch up kit supplied with your steel door-set.

Trimming Expander Panels

Trimming the Expander Panels

Instructions on how to trim the side expander panels, for when the aperture is too tight.

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Steeldor - Emergency Exits & Personnel Doors

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Louvred Side & Top Panel Options

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Steel Door Vision Panels

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Extended Colours & Coatings

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Any questions about this product?

Speak to an expert now

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Light & Visibility

Glazed Vision Panels

Our vision panels are produced in various panel formats and sizes, some of which can be fire rated, we offer a choice of glazing options depending on the door's application.

Visibility panels

Air Circulation

Louvre Panels

Designed to increase airflow in areas that need efficient ventilation, louvred door, side, over panels and walls offer a flexible solution without compromising security or structural integrity.

Airflow panels

Door Configurations

Personnel Steel Doors

Personnel configs

Hardware Options

View our popular items of door furniture and security hardware.

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Over 150 colours available

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Frequently Asked Questions

Do Strongdor offer a site measuring or an installation service?

No, Strongdor are a supply only manufacturer and therefore unfortunately don't offer site surveys or installation. However we can recommend local installers in your area from our Doorfit Network, who will be happy to help.

Complete our quotation request form, mention you are looking for installation and we will put you in touch!

What if the door is being installed near the coast or in a corrosive environment?

For any door that is installed within 5km of the coast, we recommend that you talk to one of our sales team members about specialist door coatings.

Please ensure you advise our sales team when making your initial enquiry and they will quote accordingly.

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Purchase steel doors regularly? Speak to one of our account managers and request to set up an account today.

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